Perhaps you should try some spelling variations:
nhung cong » thong cong, hang cong, nhung don
canh trinh » canh tranh, hanh trinh, canh tinh
dung cong » dung trong
vang tuan » van tuan, vong tuan, quang tuan
doc hieu » toc thieu, hoc thieu, hoc hien
trinh va » trinh van, trinh vat, trinh ve
tuan cau » toan cau, quan cau, tuan cu
cho chu » cho thue

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doc hieu) or (cho chu)) xanh - canh trinh va ((nhung cong) or (dung cong)) vang tuan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc hieu) OR (cho chu)) xanh - canh trinh va ((nhung cong) OR (dung cong)) vang tuan cau.
• Adding a wildcard symbol may retrieve word variants: ((doc hieu) or (cho chu)) xanh - canh trinh va ((nhung cong) or (dung cong)) vang tuan cau*.