Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
lieu tinh » trieu tinh, diep tinh, bien tinh
manh hung » anh huong
anh nang » ganh nang, anh bang, anh dang
nang cua » mang cua, hang cua, nang dua
cua manh » cua thanh, cua doanh, cua nganh
hung dan » huong dan, dung dan, tung dan
dan toan » van toan, dan than, manh toan
toan ban » van ban

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 (lieu tinh)) - anh nang cua manh hung dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sach) OR (lieu tinh)) - anh nang cua manh hung dan toan ban*.