Perhaps you should try some spelling variations:
thanh tung » thanh cong
kieu tinh » lieu tinh, trieu tinh, diep tinh
chau tinh » cuu tinh, ha tinh, cua tinh
dap nhung » vap nhung, va nhung, dap ung
tung dap » tung dan, trung dai, tuong dan
cong ban » cong bang, cong tan, cong dan
cong san » cong tac

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((kieu tinh) or (chau tinh)) - thanh tung dap nhung ((cong ban) or (cong san)) nhu cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((kieu tinh) OR (chau tinh)) - thanh tung dap nhung ((cong ban) OR (cong san)) nhu cau.
• Adding a wildcard symbol may retrieve word variants: doi ((kieu tinh) or (chau tinh)) - thanh tung dap nhung ((cong ban) or (cong san)) nhu cau*.