Perhaps you should try some spelling variations:
hanh tri » thanh tri, hanh tai, hanh trinh
ky lang » ky nang, ky dang, ky tang
lang ha » long ha
hieu va » lieu va, hieu qua
va cham » va chat, va tham
tri cuu » tri cua, tra cuu, trinh cuu
cuu tre » cua tre, cau tren, cau treo
te sac » te sach, te cac, te san
sac ky » cac ky, sai ky
loc va » hoc va, luc 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 sac ky lang ha noi. hieu va cham ((tuc xa) or (loc va)) hanh tri cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky lang ha noi. hieu va cham ((tuc xa) OR (loc va)) hanh tri cuu tre.
• Adding a wildcard symbol may retrieve word variants: te sac ky lang ha noi. hieu va cham ((tuc xa) or (loc va)) hanh tri cuu tre*.