Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
van chat » cao chat
chat xuc » chat huu, cam xuc, chao xu
ban hanh » ban hang
hanh tai » thanh tai, hang tai, han tai
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
cao hoc » co hoc, cho hoc, chat hoc
xuc ban » duc ban, cuc ban, quoc ban
cua tre » cuu tre, cua triet, dua tren
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: tu sach ty nang cao hoc. hieu van chat xuc ban hanh tai ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty nang cao hoc. hieu van chat xuc ban hanh tai ((cua tre) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: tu sach ty nang cao hoc. hieu van chat xuc ban hanh tai ((cua tre) or (cua te))*.