Perhaps you should try some spelling variations:
phan thanh » pham thanh, ban thanh, van thanh
chieu sach » chinh sach, chiet tach, chieu sang
hieu manh » chieu xanh, hieu nganh, dieu hanh
thanh van » thanh san, thanh toan, thanh phan
hung cong » nhung cong, hung cuong, phung cong
cong tinh » cong trinh, cong vinh, long tinh
van hung » van dung, manh hung, van duong
toan tap » toan ban

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 manh) or (chieu sach)) - phan thanh van hung cong tinh toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((hieu manh) OR (chieu sach)) - phan thanh van hung cong tinh toan tap.
• Adding a wildcard symbol may retrieve word variants: doc ((hieu manh) or (chieu sach)) - phan thanh van hung cong tinh toan tap*.