Perhaps you should try some spelling variations:
lam truong » lap truong, cac truong, xa truong
thanh tai » thanh hai, thanh toan, doanh tai
truong va » truong dai, truong cao, truong dao
hanh tai » hang tai, han tai, hinh tai
cua tre » cua te, cuu tre, cua triet
hieu he » hieu ve, hiem he, hieu le
nang ma » tang ma, sang ma, nang cao
sach v » sach va, sach 2, sach vay
ma hoi » mai hoi, xa hoi, ma hoa
he lam » de lam, he nam, se lam

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu ((sach v) OR (sach y)) nang ma hoi. hieu he lam truong va ((hanh tai) or (thanh tai)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu ((sach v) OR (sach y)) nang ma hoi. hieu he lam truong va ((hanh tai) OR (thanh tai)) cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu ((sach v) OR (sach y)) nang ma hoi. hieu he lam truong va ((hanh tai) or (thanh tai)) cua tre".
• Adding a wildcard symbol may retrieve word variants: vu ((sach v) OR (sach y)) nang ma hoi. hieu he lam truong va ((hanh tai) or (thanh tai)) cua tre*.