Perhaps you should try some spelling variations:
thien danh » thien anh, thien dang, thien thanh
canh trinh » canh tranh, hanh trinh, canh tinh
ton thien » hoan thien, toan thiet, doan thien
cong sang » cong san, cong lang, cong vang
sang than » cang thang, dang thanh, sang tao
ve nhung » tu nhung
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: ton thien danh - canh trinh ((ve nhung) or (va nhung)) cong sang than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ton thien danh - canh trinh ((ve nhung) OR (va nhung)) cong sang than cao.
• Adding a wildcard symbol may retrieve word variants: ton thien danh - canh trinh ((ve nhung) or (va nhung)) cong sang than cao*.