Perhaps you should try some spelling variations:
lam truoc » lam thuoc, nam truoc, lam truong
thanh tai » thanh hai, thanh toan, doanh tai
truoc va » truc va, thuoc va, truong va
hanh tai » hang tai, han tai, hinh tai
nang ma » tang ma, sang ma, nang cao
cua tre » cuu tre, cua triet, dua tren
hieu de » hieu ve, hieu he, hieu le
bach v » bach van
v nang » va nang, vu nang, van nang
de lam » da lam, de la, se lam
ma hoi » mai hoi, xa hoi, ma hoa
cua te » cua tu

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

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