Perhaps you should try some spelling variations:
phuong manh » phuong anh, phung manh, phuong danh
chieu sach » chinh sach, chiet tach, chieu xanh
chieu sang » chieu xanh, hieu lang, nhieu tang
manh trung » manh tung, thanh trung, manh hung
thu phuong » thi phuong, thu huong, theo phuong
manh toan » thanh toan, anh tuan, tinh toan
trung vo » trung va, trung bo, trung vu
toan cao » toan ban, toan tap
vo thu » vo thi, va thu, vo nhu

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 sang)) - manh trung vo thu phuong manh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sach) OR (chieu sang)) - manh trung vo thu phuong manh toan cao.
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) or (chieu sang)) - manh trung vo thu phuong manh toan cao*.