Perhaps you should try some spelling variations:
canh trinh » canh tranh, hanh trinh, canh tinh
nhung cong » dung cong, thong cong, hang cong
hung cuong » hong cuong, hung luong, quang cuong
hung vuong » hoang vuong
hien xanh » hien hanh, hien nhanh, chieu xanh
trinh van » trinh han, trinh quan, trinh toan
lang than » lang thang, lang thanh, sang than
than cao » toan cao, thai cao, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien xanh - canh trinh van ((nhung cong) or (((hung cuong) OR (hung vuong)))) lang than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - canh trinh van ((nhung cong) OR (((hung cuong) OR (hung vuong)))) lang than cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien xanh - canh trinh van ((nhung cong) or (((hung cuong) OR (hung vuong)))) lang than cao".
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - canh trinh van ((nhung cong) or (((hung cuong) OR (hung vuong)))) lang than cao*.