Perhaps you should try some spelling variations:
gianh lai » gian lan
va gianh » va gian, van giang, va giai
nam duoc » nam thuoc, da duoc, dat duoc
sang mai » sang ma, sang tai, lang mai
cua tre » cua te, cuu tre, cua triet
lai cua » dai cua, hai cua, lai chau
hieu ve » hieu va, hieu van
mai hoi » mai khoi, dai hoi, lai hoi
ky sang » ky nang, ky dang, ky tang
te bai » te bao, te tai, te ban
te sai » te tai, te lai, te hai

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 sang mai hoi. hieu ve ((nam duoc) or (cam xuc)) va gianh lai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sai) OR (te bai)) ky sang mai hoi. hieu ve ((nam duoc) OR (cam xuc)) va gianh lai cua tre.
• Adding a wildcard symbol may retrieve word variants: ((te sai) or (te bai)) ky sang mai hoi. hieu ve ((nam duoc) or (cam xuc)) va gianh lai cua tre*.