Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien danh
canh trinh » canh tranh, hanh trinh, canh tinh
nhung cong » dung cong, thong cong, nhung don
thien anh » thien danh, tien anh, thien thanh
trinh van » trinh han, trinh quan, trinh toan
hang cong » dang cong, hang nong, bang cong
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: toc ((thieu xanh) OR (thien anh)) - canh trinh van ((nhung cong) or (hang cong)) lang than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((thieu xanh) OR (thien anh)) - canh trinh van ((nhung cong) OR (hang cong)) lang than cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc ((thieu xanh) OR (thien anh)) - canh trinh van ((nhung cong) or (hang cong)) lang than cao".
• Adding a wildcard symbol may retrieve word variants: toc ((thieu xanh) OR (thien anh)) - canh trinh van ((nhung cong) or (hang cong)) lang than cao*.