Perhaps you should try some spelling variations:
phong hung » phong nhung, phuong nhung, phong chong
chieu sach » chinh sach, chiet tach, chieu sang
hieu lang » chieu sang, hieu quang, nhieu tang
tranh van » tran van, trinh van, thanh van
van phong » van dong, hai phong
hung manh » nhung manh, hung anh, tung manh
manh toan » thanh toan, anh tuan, tinh toan
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((hieu lang) or (chieu sach)) - canh tranh van phong hung manh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu lang) OR (chieu sach)) - canh tranh van phong hung manh toan cau.
• Adding a wildcard symbol may retrieve word variants: ho ((hieu lang) or (chieu sach)) - canh tranh van phong hung manh toan cau*.