Perhaps you should try some spelling variations:
thanh luong » thanh huong, thanh long, thanh cuong
thieu xanh » chieu xanh, hieu manh, thien anh
phung cong » nhung cong, phong cong, nhung chong
hoc thieu » toc thieu, hoc hien
luong tai » dung tai, luong va
hung cong » nhung cong, hung cuong, dung cong
tran van » luan van
san van » tan van, luan van, dang 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 - thanh luong tai ((hung cong) or (phung cong)) ((san van) OR (tran van)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh luong tai ((hung cong) OR (phung cong)) ((san van) OR (tran van)) ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - thanh luong tai ((hung cong) or (phung cong)) ((san van) OR (tran van)) ban".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh luong tai ((hung cong) or (phung cong)) ((san van) OR (tran van)) ban*.