Perhaps you should try some spelling variations:
cau tren » cu tren, dau tren, ca tren
va thanh » gia thanh, ban thanh, va tinh
ban hanh » ban hang
hieu va » lieu va, hieu qua
cac xuc » cam xuc, cac nuoc, chat xuc
sach tu » sach thu, cach tu, sach ty
lang xa » lang ha, dang xay, lang van
tu lang » cu lang, tu lanh, xu lang
cua tre » cua te, cuu tre, cua triet
tu sach » thu sach, su sach, te sach

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 tu lang xa hoi. hieu va cac xuc ((ban hanh) or (va thanh)) dai ((cua tre) or (cau tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach tu lang xa hoi. hieu va cac xuc ((ban hanh) OR (va thanh)) dai ((cua tre) OR (cau tren)).
• Adding a wildcard symbol may retrieve word variants: tu sach tu lang xa hoi. hieu va cac xuc ((ban hanh) or (va thanh)) dai ((cua tre) or (cau tren))*.