Perhaps you should try some spelling variations:
thanh tung » thanh cong
hoc thieu » toc thieu, hoc hien
cua nhung » va nhung
tung cua » trung cua, tuong cua, dung cua
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
toan cao » toan ban, toan tap
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc thieu) or (doi chi)) xanh - thanh tung cua nhung ((cong tan) or (cong san)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (doi chi)) xanh - thanh tung cua nhung ((cong tan) OR (cong san)) toan cao.
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (doi chi)) xanh - thanh tung cua nhung ((cong tan) or (cong san)) toan cao*.