Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
hanh sinh » hanh tinh, hanh dinh, hinh sinh
cua nhung » va nhung
tranh ban » trinh ban, tranh hang, tranh luan
sinh cua » manh cua, dinh cuu, sinh va
cong tan » cong san, cong thanh, cong ty
cong tac » cong ty
tran van » luan van

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 xanh - hanh sinh cua nhung ((cong tan) or (cong tac)) ((tran van) or (tranh ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh sinh cua nhung ((cong tan) OR (cong tac)) ((tran van) OR (tranh ban)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh sinh cua nhung ((cong tan) or (cong tac)) ((tran van) or (tranh ban))*.