Perhaps you should try some spelling variations:
phai nhuong » phan thuong, pham thuong, pham chuong
thanh trung » thanh tung
chieu tinh » trieu tinh, lieu tinh, chau tinh
pha nhung » tham nhung, phan chung, thai nhung
ho chieu » theo chieu, hoc thieu, doi chieu
cong san » cong tac
cong tan » cong tac, cong thanh, cong ty
toan cao » toan ban, toan tap

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tinh - thanh trung ((pha nhung) OR (phai nhuong)) ((cong san) OR (cong tan)) toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu tinh - thanh trung ((pha nhung) OR (phai nhuong)) ((cong san) or (cong tan)) toan cao~".
• Adding a wildcard symbol may retrieve word variants: ho chieu tinh - thanh trung ((pha nhung) OR (phai nhuong)) ((cong san) or (cong tan)) toan cao*.