Perhaps you should try some spelling variations:
lam truong » lap truong, cac truong, xa truong
truong cao » truong dai
thanh tai » thanh hai, thanh toan, doanh tai
hanh tai » hang tai, han tai, hinh tai
su sach » so sach, vu sach
hieu ve » hieu va, hieu van
sang ma » tang ma, nang ma, sang tao
cua tre » cua te, cuu tre, cua triet
sach v » sach va, sach y, sach 2
ve lam » va lam, de lam, se lam
ma hoi » mai hoi, xa hoi, ma hoa
v sang » va sang, ve sang, _ sang

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach v sang ma hoi. hieu ve lam truong cao ((hanh tai) or (thanh tai)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach v sang ma hoi. hieu ve lam truong cao ((hanh tai) OR (thanh tai)) cua tre.
• Adding a wildcard symbol may retrieve word variants: su sach v sang ma hoi. hieu ve lam truong cao ((hanh tai) or (thanh tai)) cua tre*.