Perhaps you should try some spelling variations:
luan nhung » luan chung, luan hung, quan nhung
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
anh dung » anh huong, sach dung, ung dung
anh dong » anh huong, anh son
cong van » cong vang, song van, cong tan
cong san » cong tac
toan cao » toan ban, toan tap

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 - ((anh dung) OR (anh dong)) luan nhung ((cong van) or (cong san)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - ((anh dung) OR (anh dong)) luan nhung ((cong van) OR (cong san)) toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - ((anh dung) OR (anh dong)) luan nhung ((cong van) or (cong san)) toan cao".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - ((anh dung) OR (anh dong)) luan nhung ((cong van) or (cong san)) toan cao*.