Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
van cham » van chat, van tham, va cham
cham xuc » cam xuc, chat xuc, cham soc
ban hanh » ban hang
cau tren » cu tren, dau tren, ca tren
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
xuc ban » duc ban, cuc ban, quoc ban
hanh de » hanh ve, hanh kem
cua tu » cua tuc, cua su, cua te
cua cu » cua chu, cua cau, cua su

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 x ho. hieu van cham xuc ban hanh de ((cau tren) or (((cua tu) or (cua cu))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty nang x ho. hieu van cham xuc ban hanh de ((cau tren) OR (((cua tu) OR (cua cu)))).
• Adding a wildcard symbol may retrieve word variants: tu sach ty nang x ho. hieu van cham xuc ban hanh de ((cau tren) or (((cua tu) or (cua cu))))*.