Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
vuong tat » luong tai, tuong tac, duong tai
vuong thi » luong thi, duong thi, truong thi
hung cong » nhung cong, hung cuong, phung cong
cong san » cong tac
san van » tan van, luan van, tran 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 ((vuong tat) OR (vuong thi)) hung cong san van ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - thanh ((vuong tat) OR (vuong thi)) hung cong san van ban".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh ((vuong tat) OR (vuong thi)) hung cong san van ban*.