Perhaps you should try some spelling variations:
hanh dong » anh dong, ha dong
dung cong » dung trong
van thang » van thanh, van khang, van hang
ho chieu » theo chieu, hoc thieu, doi chieu
van than » van thanh, van tuan, van phan
dong va » dung va, dong ha, luong va
va dung » van dung, va duong, vat dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) or (theo tieu)) xanh - hanh dong va dung cong ((van than) OR (van thang)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo tieu)) xanh - hanh dong va dung cong ((van than) OR (van thang)) cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (theo tieu)) xanh - hanh dong va dung cong ((van than) OR (van thang)) cao".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (theo tieu)) xanh - hanh dong va dung cong ((van than) OR (van thang)) cao*.