Perhaps you should try some spelling variations:
thong thuong » thong thong, hang thuong, cong thuong
choi thuc » hoc thuc, hoi chuc, cho thue
thuc xanh » thuc hanh, thuc thanh, thuc dan
thuong va » truong va, thong va, thuong mai
trang va » tran van, hang va
tan cau » toan cau, van cau, tan ca
va tan » van tan, va toan, va than
luan » quan, lan

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

• Performing a fuzzy search may retrieve terms with similar spellings: choi thuc xanh - hanh ((trang va) or (luan van)) thong thuong va tan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: choi thuc xanh - hanh ((trang va) OR (luan van)) thong thuong va tan cau.
• Adding a wildcard symbol may retrieve word variants: choi thuc xanh - hanh ((trang va) or (luan van)) thong thuong va tan cau*.