Perhaps you should try some spelling variations:
thong thuong » thong thong, hang thuong, cong thuong
thuong van » thong van, truong van, thuong va
choi thuc » hoc thuc, hoi chuc, cho thue
thuc xanh » thuc hanh, thuc thanh, thuc dan
trang va » tran van, hang va
van toan » van tuan, van tan, van thanh
toan cau » toan cao, toan ban, toan tap
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 van toan 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 van toan cau.
• Adding a wildcard symbol may retrieve word variants: choi thuc xanh - hanh ((trang va) or (luan van)) thong thuong van toan cau*.