Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
hieu manh » chieu xanh, hieu nganh, dieu hanh
cua thong » cua thuong, cua khong, cua tong
hoc hieu » hoc thieu, hoc hien, doc hieu
anh dung » anh huong, ung dung, ap dung
anh dong » anh huong, anh son
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cau » toan cao, toan ban, toan tap

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 - ((((anh dung) OR (sach dung))) or (anh dong)) cua thong cong tan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu manh - ((((anh dung) OR (sach dung))) OR (anh dong)) cua thong cong tan toan cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hieu manh - ((((anh dung) OR (sach dung))) or (anh dong)) cua thong cong tan toan cau*".