Perhaps you should try some spelling variations:
thieu tach » thien hach, chiet tach, chieu sach
hoc thieu » toc thieu, hoc hien
hanh tang » hanh trang, anh tang, hanh mang
tang luan » dung luan
luan hung » luan chung, lan hung, luan ung
cong tan » cong san, cong thanh, cong ty
cong tac » cong ty
phan cau » phan dau, phan cac, phan tu

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 tach - hanh tang luan hung ((cong tan) OR (cong tac)) phan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu tach - hanh tang luan hung ((cong tan) OR (cong tac)) phan cau".
• Adding a wildcard symbol may retrieve word variants: hoc thieu tach - hanh tang luan hung ((cong tan) OR (cong tac)) phan cau*.