Perhaps you should try some spelling variations:
hanh tang » hanh trang, anh tang, hanh mang
tang quan » tang luan, nang quan, tong quan
quan dung » quang dung, quan duong, qua dung
chu xanh » chu manh, chieu xanh, chua xang
cong tan » cong san, cong thanh, cong ty
cong tac » cong ty
tran van » luan van
chu van » cuu van, chu han

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

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