build a search engine with trie tree (prefix tree).
support whole word search and prefix search, and keyword search.
trie = build_trie_test_data("data.tsv")
## whole word search
results = trie.whole_search("禾盛新材:第四届董事会第十一次会议决议公告")
print_result(results)
## prefix search
results = trie.prefix_search("金一文化")
print_result(results)
## keyword search
results = trie.keyword_search("文化")
print_result(results)