Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
thanh dung » thanh duong, thanh tung, thanh hung
dung tuong » dung thuong, dung truong, dung trong
hoc thieu » toc thieu, hoc hien
tuong tac » cong tac, luong tai, tuong lai
dung cua » dung luan, dung cho
cua dung » cua dang, cua dong, qua dung
toan cau » toan ban, toan tap, toan tai
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) or (theo chieu)) xanh - thanh dung cua dung tuong tac ((toan cau) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (theo chieu)) xanh - thanh dung cua dung tuong tac ((toan cau) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (theo chieu)) xanh - thanh dung cua dung tuong tac ((toan cau) or (toan cao))*.