Perhaps you should try some spelling variations:
nang thuong » hang thuong, nang truong, dang thuong
thuong manh » thuong mach, thuong nganh, thuong mai
chieu xanh » chieu sach, chieu sang, chieu tinh
toc chieu » toc thieu, doc hieu, hoc thieu
manh toan » thanh toan, anh tuan, tinh toan
trang va » hang va
tran van » luan van
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: toc chieu xanh - thanh ((trang va) OR (tran van)) nang thuong manh toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc chieu xanh - thanh ((trang va) OR (tran van)) nang thuong manh toan cao".
• Adding a wildcard symbol may retrieve word variants: toc chieu xanh - thanh ((trang va) OR (tran van)) nang thuong manh toan cao*.