Perhaps you should try some spelling variations:
tranh nhung » trinh nhung, tran hung, thanh hung
manh trung » manh tung, thanh trung, manh hung
tranh hang » trinh han, tran hoang, tran hong
lieu tinh » trieu tinh, diep tinh, bien tinh
doc lieu » duoc lieu, doc hieu, du lieu
cong tap » cuong tap, cong tac, cong tan
tap doan » tap quan
doan ban » doanh ban, toan ban, doan van

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc lieu tinh - manh trung ((tranh nhung) or (tranh hang)) cong tap doan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc lieu tinh - manh trung ((tranh nhung) OR (tranh hang)) cong tap doan ban.
• Adding a wildcard symbol may retrieve word variants: doc lieu tinh - manh trung ((tranh nhung) or (tranh hang)) cong tap doan ban*.