Perhaps you should try some spelling variations:
thieu tang » nhieu tang, thieu khang, thieu quang
cua triet » cua viet, su triet, va triet
kham cuoc » khac cuoc, khuat cuoc, nhan cuoc
lam cua » nam cua, lam chat
van anh » van thanh, tuan anh, van minh
va hanh » van hanh, va thanh, va danh
so sach » so sanh, bo sach, co sach
hieu vu » hieu va, hieu ve, hieu su
vu kham » vu khanh
ma hoi » mai hoi, ma hoa, me hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach thieu tang ((ma hoi) or (xa hoi)). hieu vu kham cuoc ((va hanh) or (van anh)) lam cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach thieu tang ((ma hoi) OR (xa hoi)). hieu vu kham cuoc ((va hanh) OR (van anh)) lam cua triet.
• Adding a wildcard symbol may retrieve word variants: so sach thieu tang ((ma hoi) or (xa hoi)). hieu vu kham cuoc ((va hanh) or (van anh)) lam cua triet*.