Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
hanh luan » khanh luan, hang luan, hanh luat
van nhung » van nhuong, va nhung, van hung
quang cao » nang cao, quang nam
quang cua » quan cua, quang tuan, quang huy
cong van » cong vang, cong san, song 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 luan van nhung cong van ((quang cao) OR (quang cua))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - hanh luan van nhung cong van ((quang cao) OR (quang cua))".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh luan van nhung cong van ((quang cao) OR (quang cua))*.