Perhaps you should try some spelling variations:
thanh trung » thanh tung
vat dung » van dung, viet dung, mat duong
cong tan » cong tac, cong san, cong thanh
tan thai » tay thai, ban thai, tan tai
thai cao » tai cao, thoai cac, thuat cao
ho lieu » so lieu, co lieu, ho chieu
ho kieu » so kieu, thi kieu, ho chieu
va dung » van dung, va duong, va ung

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho lieu) or (ho kieu)) tinh - thanh trung ((vat dung) OR (va dung)) cong tan thai cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho lieu) OR (ho kieu)) tinh - thanh trung ((vat dung) OR (va dung)) cong tan thai cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho lieu) or (ho kieu)) tinh - thanh trung ((vat dung) OR (va dung)) cong tan thai cao".
• Adding a wildcard symbol may retrieve word variants: ((ho lieu) or (ho kieu)) tinh - thanh trung ((vat dung) OR (va dung)) cong tan thai cao*.