Perhaps you should try some spelling variations:
thanh trang » thanh trung, hanh trang, thanh thang
hieu tinh » chieu tinh, lieu tinh, hieu binh
kieu tinh » lieu tinh, trieu tinh, diep tinh
trang van » tran van, trang va, trong van
dung cong » dung trong
dan khoan » dan khoa, dai khoang, toan khoan
khoan cam » khoa cam, khoan va, phan cam
van dung » van dong, xay dung, tin dung
cong dan » cong san, cong tan, huong dan

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc ((hieu tinh) or (kieu tinh)) - thanh trang van dung cong dan khoan cam~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((hieu tinh) OR (kieu tinh)) - thanh trang van dung cong dan khoan cam.
• Adding a wildcard symbol may retrieve word variants: doc ((hieu tinh) or (kieu tinh)) - thanh trang van dung cong dan khoan cam*.