Perhaps you should try some spelling variations:
hanh lai » hanh lam, hanh tai, thanh lap
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
lai cuu » lai cua, lai chau, lai cuoc
truc va » thuc va, trung va
cuu tre » cua tre, cau tren, cau treo
tang ma » mang may, tang van
hieu ve » hieu va, hieu van
ky tang » ky nang, ky dang, kho tang
ve cam » ve cham, ve cac, va cam
ma hoi » mai hoi, xa hoi, ma hoa
xuc va » duc va, tuc 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: tu sach ky tang ma hoi. hieu ve cam ((xuc va) or (((truc va) OR (thuc vat)))) hanh lai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky tang ma hoi. hieu ve cam ((xuc va) OR (((truc va) OR (thuc vat)))) hanh lai cuu tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky tang ma hoi. hieu ve cam ((xuc va) or (((truc va) OR (thuc vat)))) hanh lai cuu tre*".