Perhaps you should try some spelling variations:
nhung phuong » nhu phuong, truong phuong, bang phuong
dung phuong » dung thuong, bang phuong, dung chung
nhanh lang » nhanh thang, nhan dang, nhanh dong
choi thuc » hoc thuc, hoi chuc, cho thue
thuc manh » thuc hanh, thuc thanh, thuc dan
dang van » hoang van, hang va

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 manh - ((nhanh lang) or (nhanh quang)) cua ((nhung phuong) OR (dung phuong)) dang van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: choi thuc manh - ((nhanh lang) OR (nhanh quang)) cua ((nhung phuong) OR (dung phuong)) dang van ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "choi thuc manh - ((nhanh lang) or (nhanh quang)) cua ((nhung phuong) OR (dung phuong)) dang van ban".
• Adding a wildcard symbol may retrieve word variants: choi thuc manh - ((nhanh lang) or (nhanh quang)) cua ((nhung phuong) OR (dung phuong)) dang van ban*.