Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
nang quan » ban quan, nang suat
tang quan » tang luan, thong quan, dang quang
tong quan » thong quan, tong luan, luong quan
dung cong » dung trong
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan ban » van ban

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 - tinh ((nang quan) or (((tang quan) OR (tong quan)))) dung cong dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - tinh ((nang quan) OR (((tang quan) OR (tong quan)))) dung cong dan toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - tinh ((nang quan) or (((tang quan) OR (tong quan)))) dung cong dan toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - tinh ((nang quan) or (((tang quan) OR (tong quan)))) dung cong dan toan ban*.