Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
trung chan » trung phan, trung nhan, trung thanh
trong chan » trong chuan, trong cham, trong can
hoc thieu » toc thieu, hoc hien
trung can » trung cap, trung van, trong can
dung cong » dung trong
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
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 - thanh ((((trung chan) OR (trung can))) or (trong chan)) dung cong tac toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh ((((trung chan) OR (trung can))) OR (trong chan)) dung cong tac toan cao*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - thanh ((((trung chan) OR (trung can))) or (trong chan)) dung cong tac toan cao*".