Perhaps you should try some spelling variations:
nhung cong » thong cong, hang cong, nhung don
lieu tinh » trieu tinh, diep tinh, bien tinh
dung cong » dung trong
bang phan » nang phan, bang nhan, bang thanh
doi lieu » duoc lieu, doi chieu, du lieu
trung va » truong va, trang va, trung tam
trung ha » trung hoc, trung tam, trung cap
phan cau » phan dau, phan cac, phan tu

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