Perhaps you should try some spelling variations:
cang thang » cong thanh, dang thanh
thieu xanh » chieu xanh, hieu manh, thien anh
trong tinh » truong tinh, trong kinh, trong sinh
hoc thieu » toc thieu, hoc hien
canh tang » anh tang, canh tranh, hanh trang
vat dung » van dung, va dung, viet dung
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 - ((canh tang) or (cang thang)) vat dung trong tinh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - ((canh tang) OR (cang thang)) vat dung trong tinh toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - ((canh tang) or (cang thang)) vat dung trong tinh toan ban*.