Perhaps you should try some spelling variations:
thieu tach » thien hach, chiet tach, chieu sach
cong thanh » dong thanh, cong trinh, truong thanh
hoc thieu » toc thieu, hoc hien
hanh tang » hanh trang, anh tang, hanh mang
cua nhung » va nhung
tang cua » mang cua, hang cua, tang luan
cong tan » cong san, cong ty, cong ha
cong tac » cong ty
toan ban » van ban

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 cua nhung ((((cong thanh) OR (cong tan))) or (cong tac)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tach - hanh tang cua nhung ((((cong thanh) OR (cong tan))) OR (cong tac)) toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu tach - hanh tang cua nhung ((((cong thanh) OR (cong tan))) or (cong tac)) toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc thieu tach - hanh tang cua nhung ((((cong thanh) OR (cong tan))) or (cong tac)) toan ban*.