Perhaps you should try some spelling variations:
nhanh thang » nhanh thanh, nhanh quang, hanh trang
hanh thang » thanh thang, hanh trang, danh thang
tieu xanh » tieu danh, chieu xanh, dieu hanh
van hang » van khang, van hoang, van thang
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cau » toan cao, toan ban, toan tap
va hanh » van hanh, va thanh, va danh

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 thang) OR (nhanh thang)) ((va hanh) or (van hang)) cong tan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - ((hanh thang) OR (nhanh thang)) ((va hanh) OR (van hang)) cong tan toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - ((hanh thang) OR (nhanh thang)) ((va hanh) or (van hang)) cong tan toan cau".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - ((hanh thang) OR (nhanh thang)) ((va hanh) or (van hang)) cong tan toan cau*.