Perhaps you should try some spelling variations:
mot chieu » doi chieu, ho chieu
hoc thieu » toc thieu, hoc hien
tranh cua » doanh cua, manh cua
dung cong » dung trong
cua dung » cua dang, cua dong, qua dung
cong tac » cong ty
toan cao » toan ban
toan tap » toan ban

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((mot chieu) or (hoc thieu)) xanh - canh tranh cua dung cong tac ((toan cao) OR (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot chieu) OR (hoc thieu)) xanh - canh tranh cua dung cong tac ((toan cao) OR (toan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((mot chieu) or (hoc thieu)) xanh - canh tranh cua dung cong tac ((toan cao) OR (toan tap))".
• Adding a wildcard symbol may retrieve word variants: ((mot chieu) or (hoc thieu)) xanh - canh tranh cua dung cong tac ((toan cao) OR (toan tap))*.