Perhaps you should try some spelling variations:
nhanh tinh » nhanh thanh, hanh trinh, nhan sinh
nhung cong » dung cong, thong cong, nhung don
lieu tinh » trieu tinh, diep tinh, bien tinh
hang cong » dang cong, hang nong, bang cong
cot lieu » co lieu, vat lieu, so lieu
dan van » dang van, doan van, dao van

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

• Performing a fuzzy search may retrieve terms with similar spellings: cot lieu tinh - ((nhanh tinh) or (than kinh)) cua ((nhung cong) or (hang cong)) dan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cot lieu tinh - ((nhanh tinh) OR (than kinh)) cua ((nhung cong) OR (hang cong)) dan van ban.
• Adding a wildcard symbol may retrieve word variants: cot lieu tinh - ((nhanh tinh) or (than kinh)) cua ((nhung cong) or (hang cong)) dan van ban*.