Perhaps you should try some spelling variations:
thanh trang » thanh trung, hanh trang, thanh thang
hoc thien » hoc hien, hoc thiet, hoc tien
hoc thieu » toc thieu, hoc hien
trang va » tran van, hang va
va trong » va truong, va thong, va tuong
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
than cao » toan cao, thai cao, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc thien) or (hoc thieu)) hach - thanh trang va trong ((cong dan) OR (cong san)) than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thien) OR (hoc thieu)) hach - thanh trang va trong ((cong dan) OR (cong san)) than cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thien) or (hoc thieu)) hach - thanh trang va trong ((cong dan) OR (cong san)) than cao".
• Adding a wildcard symbol may retrieve word variants: ((hoc thien) or (hoc thieu)) hach - thanh trang va trong ((cong dan) OR (cong san)) than cao*.