Perhaps you should try some spelling variations:
cham duc » pham duc, cham soc, pham duy
su tien » su kien, su hien, tu tieng
thai su » thai xu, tai su, thap su
va hanh » van hanh, va thanh, va danh
hieu va » lieu va, hieu qua
va cham » va chat, va tham
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
va han » va phan, van han, va hang
tu san » thu san, tu ban, tu can
te cac » tu cac, ve cac, te cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((te cac) or (tu san)) ky lang xa hoi. hieu va cham duc ((va han) OR (va hanh)) thai su tien~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te cac) OR (tu san)) ky lang xa hoi. hieu va cham duc ((va han) OR (va hanh)) thai su tien*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te cac) or (tu san)) ky lang xa hoi. hieu va cham duc ((va han) OR (va hanh)) thai su tien*".