Perhaps you should try some spelling variations:
khung hoang » phuong hoang
chieu sach » chinh sach, chiet tach, chieu sang
chieu tinh » trieu tinh, lieu tinh, chau tinh
cua khung » cua nhung, cua chung, cua khong
hoang van » hang va
hanh ban » thanh ban, hang ban, hanh san
toan cau » toan cao, toan tap, toan tai
toan ban » van ban
ban cua » ban quan

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu sach) or (chieu tinh)) - hanh ban cua khung hoang van ((toan cau) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sach) OR (chieu tinh)) - hanh ban cua khung hoang van ((toan cau) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) or (chieu tinh)) - hanh ban cua khung hoang van ((toan cau) or (toan ban))*.