Perhaps you should try some spelling variations:
thanh phan » thanh pho, thanh san, thanh toan
hieu cach » hieu cac, chieu sach, hieu ca
thanh van » thanh san, thanh toan, thanh nhan
hang cong » dang cong, hang nong, bang cong
hoc hieu » hoc thieu, hoc hien, doc hieu
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
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: hoc hieu cach - canh ((thanh van) OR (thanh phan)) hang cong dan toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hieu cach - canh ((thanh van) OR (thanh phan)) hang cong dan toan cao".
• Adding a wildcard symbol may retrieve word variants: hoc hieu cach - canh ((thanh van) OR (thanh phan)) hang cong dan toan cao*.