Perhaps you should try some spelling variations:
anh quang » anh xquang, anh quan, tinh quang
tuan hung » tran hung, luan hung, tuan dung
hung cong » nhung cong, hung cuong, phung cong
chi sach » chinh sach, chieu sach, co sach
cong tac » cong ty
toan cau » toan cao, toan ban, toan tai
toan tap » toan ban
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi sach - ((anh quang) or (nhanh quang)) tuan hung cong tac ((toan cau) OR (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi sach - ((anh quang) OR (nhanh quang)) tuan hung cong tac ((toan cau) OR (toan tap))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chi sach - ((anh quang) or (nhanh quang)) tuan hung cong tac ((toan cau) OR (toan tap))*".