Perhaps you should try some spelling variations:
thanh trung » thanh tung
lieu tinh » trieu tinh, diep tinh, bien tinh
thuat cao » thuat co, thuat bao, thuat cam
doi lieu » duoc lieu, doi chieu, du lieu
trung va » truong va, trang va, trung ha
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh

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 - thanh trung va nhung ((cong dan) or (cong tan)) thuat cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi lieu tinh - thanh trung va nhung ((cong dan) OR (cong tan)) thuat cao.
• Adding a wildcard symbol may retrieve word variants: doi lieu tinh - thanh trung va nhung ((cong dan) or (cong tan)) thuat cao*.