Perhaps you should try some spelling variations:
thanh vi » hanh vi, thanh va, thanh ve
va thanh » gia thanh, ban thanh, va tinh
chai cuc » chi cuc, hai cuc, tai cuc
vu sach » vu bach, su sach, vu khach
cua tre » cuu tre, cua triet, dua tren
sach ty » sach y, sach tu, sach thu
va chai » va cai, va chat, va cham
ty nang » ky nang, ty xang, ty hang
cuc va » chuc va, duc va, cuu va
ma hoi » mai hoi, ma hoa, me hoi
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: vu sach ty nang ((ma hoi) or (xa hoi)). lieu va chai cuc va thanh vi ((cua tre) OR (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ty nang ((ma hoi) OR (xa hoi)). lieu va chai cuc va thanh vi ((cua tre) OR (cua te)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach ty nang ((ma hoi) or (xa hoi)). lieu va chai cuc va thanh vi ((cua tre) OR (cua te))".
• Adding a wildcard symbol may retrieve word variants: vu sach ty nang ((ma hoi) or (xa hoi)). lieu va chai cuc va thanh vi ((cua tre) OR (cua te))*.