Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
chat luc » chat xuc, chat lua, nhan luc
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
hieu va » lieu va, hieu qua
va chat » van chat, va phat, cao chat
va hanh » van hanh, va thanh, va danh
tai cua » thai cua, tai cuc, dai cua
te sai » te tai, te bai, te lai
sai ky » sac ky

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 ky lang xa hoi. hieu va chat luc ((va hanh) or (van thanh)) ((tai cua) or (tri cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sai ky lang xa hoi. hieu va chat luc ((va hanh) OR (van thanh)) ((tai cua) OR (tri cua)) tre.
• Adding a wildcard symbol may retrieve word variants: te sai ky lang xa hoi. hieu va chat luc ((va hanh) or (van thanh)) ((tai cua) or (tri cua)) tre*.