Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hieu manh » chieu xanh, hieu nganh, dieu hanh
huong cua » dung cua
hoc hieu » hoc thieu, hoc hien, doc hieu
cong cua » dong cua, thong cua, dung cua
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cao » toan ban, toan tap
cong cu » chung cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hieu manh - nhanh ((cong cua) or (((huong cua) or (cong cu)))) nhung cong tan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu manh - nhanh ((cong cua) OR (((huong cua) OR (cong cu)))) nhung cong tan toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - nhanh ((cong cua) or (((huong cua) or (cong cu)))) nhung cong tan toan cao*.