Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
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 tac, cong san, cong ty
toan tap » toan ban
toan cao » toan 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 tinh - hanh tang cua nhung ((cong thanh) or (cong tan)) ((toan tap) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - hanh tang cua nhung ((cong thanh) OR (cong tan)) ((toan tap) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - hanh tang cua nhung ((cong thanh) or (cong tan)) ((toan tap) or (toan cao))*.