Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
thanh trung » thanh tung
phuong dan » phuong danh, phuong doan, huong dan
hieu cach » hieu cac, chieu sach, hieu ca
toc hieu » toc thieu, doc hieu, hoc thieu
trung va » truong va, trang va, trung ha
phan cac » nhan cach, phan dau, phan lap
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc hieu cach - thanh trung va nhung phuong dan ((phan cac) or (toan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc hieu cach - thanh trung va nhung phuong dan ((phan cac) OR (toan cau))*.