Perhaps you should try some spelling variations:
quang dung » quang trung, ung dung, cuong dung
tieu xanh » tieu danh, chieu xanh, dieu hanh
hanh tang » hanh trang, anh tang, hanh mang
cua rung » cua trung, cua rang, cua truong
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cau » 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: theo tieu xanh - hanh tang ((cua rung) or (quang dung)) cong tan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - hanh tang ((cua rung) OR (quang dung)) cong tan toan cau.
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - hanh tang ((cua rung) or (quang dung)) cong tan toan cau*.