Perhaps you should try some spelling variations:
cham cuu » cap cuu, chat cua
hanh tai » thanh tai, hang tai, han tai
pham cuc » pham chuc, pham duc, pham cua
ban hanh » ban hang
cua tre » cua te, cua triet, dua tren
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
hieu ve » hieu va, hieu van
cao hoa » cao hoat, cao khoa, cau hoa
cuu tre » cau tren, cau treo

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 nang cao hoa. hieu ve ((pham cuc) or (cham cuu)) ban hanh tai ((cua tre) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang cao hoa. hieu ve ((pham cuc) OR (cham cuu)) ban hanh tai ((cua tre) OR (cuu tre)).
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang cao hoa. hieu ve ((pham cuc) or (cham cuu)) ban hanh tai ((cua tre) or (cuu tre))*.