Perhaps you should try some spelling variations:
thieu nang » thien nang, thieu khang, thieu quang
cua triet » cua viet, su triet, va triet
ban thanh » ban hanh, ban hang
va hanh » van hanh, va thanh, va danh
vu sach » vu bach, su sach, vu khach
nang xa » nang x, lang xa, nang ma
ve cham » va cham, ve chat, vu cham
ve cac » va cac, vien cac
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach thieu nang xa hoi. hieu ((ve cac) or (ve cham)) xuc ((va hanh) or (ban thanh)) vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach thieu nang xa hoi. hieu ((ve cac) OR (ve cham)) xuc ((va hanh) OR (ban thanh)) vi cua triet.
• Adding a wildcard symbol may retrieve word variants: vu sach thieu nang xa hoi. hieu ((ve cac) or (ve cham)) xuc ((va hanh) or (ban thanh)) vi cua triet*.