Perhaps you should try some spelling variations:
thanh tai » thanh hai, thanh toan, doanh tai
cua triet » cua viet, su triet, va triet
qua tham » qua cham, qua than, qua thanh
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
tai cua » thai cua, tai cuc, tri cua
te sai » te tai, te lai, te hai
te bai » te bao, te tai, te ban
luc va » tuc va, loc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((te sai) OR (te bai)) ky lang xa hoi. hieu qua tham ((luc va) or (duc va)) thanh tai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sai) OR (te bai)) ky lang xa hoi. hieu qua tham ((luc va) OR (duc va)) thanh tai cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sai) OR (te bai)) ky lang xa hoi. hieu qua tham ((luc va) or (duc va)) thanh tai cua triet".
• Adding a wildcard symbol may retrieve word variants: ((te sai) OR (te bai)) ky lang xa hoi. hieu qua tham ((luc va) or (duc va)) thanh tai cua triet*.