Perhaps you should try some spelling variations:
nhanh mang » hanh mang, nhanh quang, nhanh thang
nhanh lang » nhanh quang, nhanh thang, nhan dang
choi thuc » hoc thuc, hoi chuc, cho thue
thuc xanh » thuc hanh, thuc thanh, thuc dan
cua thong » cua thuong, cua khong, cua tong
thong dan » thong van, tuong dan, thong den
dan van » dang van, doan van, dao van

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 - ((nhanh mang) or (nhanh lang)) cua thong thong dan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: choi thuc xanh - ((nhanh mang) OR (nhanh lang)) cua thong thong dan van ban.
• Adding a wildcard symbol may retrieve word variants: choi thuc xanh - ((nhanh mang) or (nhanh lang)) cua thong thong dan van ban*.