Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
ban thanh » ban hanh, ban hang
hieu van » hieu va, thien van, lieu va
qua ban » cua ban, qua quan
cua tre » cuu tre, cua triet, dua tren
van cam » van nam, van lam, van cau
cam qua » cau qua, cac qua, cay qua
sach ky » sac ky, sach ty, sach kem
lang xa » lang ha, dang xay, lang van
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: thu ((sach ky) OR (sach y)) lang xa hoi. hieu van cam qua ban thanh vai ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu ((sach ky) OR (sach y)) lang xa hoi. hieu van cam qua ban thanh vai ((cua tre) OR (cua te)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu ((sach ky) OR (sach y)) lang xa hoi. hieu van cam qua ban thanh vai ((cua tre) or (cua te))".
• Adding a wildcard symbol may retrieve word variants: thu ((sach ky) OR (sach y)) lang xa hoi. hieu van cam qua ban thanh vai ((cua tre) or (cua te))*.