Perhaps you should try some spelling variations:
thanh tai » thanh hai, thanh toan, doanh tai
cham luc » cham soc, nhan luc, cham cuu
nhan tai » hang tai, van tai, toan tai
han tai » hang tai, van tai, toan tai
cua tre » cua te, cuu tre, cua triet
va cham » va chat, va tham
hieu va » lieu va, hieu qua
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
luc va » duc va, tuc va, loc va
bai ky » ban ky, sai ky, bac ky
te bai » te bao, te tai, te ban

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

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