Perhaps you should try some spelling variations:
hien tinh » khien tinh, thien tinh, bien tinh
cua thong » cua thuong, cua tong, suat thong
cua khong » hua khong, cua phuong, cua thuong
anh tang » anh bang, anh dang, anh nang
cong tac » cong ty
toan cau » toan ban, toan tap, toan tai
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 hien tinh - anh tang ((cua thong) or (cua khong)) cong tac ((toan cau) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien tinh - anh tang ((cua thong) OR (cua khong)) cong tac ((toan cau) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: hoc hien tinh - anh tang ((cua thong) or (cua khong)) cong tac ((toan cau) or (toan cao))*.