Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
anh xquang » anh quan, anh xuan
quan hoang » luan hoan
anh quang » anh quan, nhanh quang, tinh quang
tran hong » tran hoang, tran trong, tranh hang
cong tac » cong ty
tac toan » tap toan, tam toan, hach 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: mot chieu sach - ((anh quang) or (anh xquang)) ((tran hong) or (quan hoang)) cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: mot chieu sach - ((anh quang) OR (anh xquang)) ((tran hong) OR (quan hoang)) cong tac toan cau.
• Adding a wildcard symbol may retrieve word variants: mot chieu sach - ((anh quang) or (anh xquang)) ((tran hong) or (quan hoang)) cong tac toan cau*.