Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
lieu tinh » trieu tinh, diep tinh, bien tinh
trung cua » truong cua, trung tuan, dung cua
trung cap » truong cao, trung tam
doi lieu » duoc lieu, doi chieu, du lieu
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than tap » toan tap, han tap, phan tap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doi lieu tinh - hanh ((trung cua) or (trung cap)) thong cong dan than tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi lieu tinh - hanh ((trung cua) OR (trung cap)) thong cong dan than tap*.