Perhaps you should try some spelling variations:
nhanh chong » thanh cong, khanh phong
thieu sach » chieu sach, thien hach, hieu cach
hoc thieu » toc thieu, hoc hien
dai hoang » dai khoang, dai hong, dai hang
mai hoang » thai hoang, mai hung, van hoang
hoc khanh » hoc nhanh, hoc thanh, hoc hanh
khanh cau » nhanh cau, thanh chau, hang cau
dong hoc » dong co, dong luc

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu sach - nhanh chong ((dai hoang) or (mai hoang)) dong hoc khanh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - nhanh chong ((dai hoang) OR (mai hoang)) dong hoc khanh cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - nhanh chong ((dai hoang) or (mai hoang)) dong hoc khanh cau*.