Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
hanh truong » hanh trong, anh truong, manh truong
truong cao » truong dai
nhung dung » phuong dung, ung dung, thong dung
hoc chinh » hoan chinh, hoc sinh, hoc kinh
van thang » van thanh, van khang, van hang
thang ban » hang ban, tang ban, thanh ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chinh sach - hanh truong cao ((nhung dung) or (nhung phuong)) van thang ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chinh sach - hanh truong cao ((nhung dung) OR (nhung phuong)) van thang ban.
• Adding a wildcard symbol may retrieve word variants: hoc chinh sach - hanh truong cao ((nhung dung) or (nhung phuong)) van thang ban*.