Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
cho chuong » theo chuong, cho cong, cho truong
hoc thieu » toc thieu, hoc hien
manh dung » manh hung, manh tung, manh cuong
anh dung » anh dong, anh huong, sach dung
cong tac » cong ty
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 - ((manh dung) OR (anh dung)) cho chuong ((cong san) or (cong tac)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - ((manh dung) OR (anh dung)) cho chuong ((cong san) OR (cong tac)) toan cao*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - ((manh dung) OR (anh dung)) cho chuong ((cong san) or (cong tac)) toan cao*".