Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
cham xuc » cam xuc, chat xuc, cham soc
ve cham » va cham, ve chat, vu cham
vai cua » hai cua, lai cua, bai cua
xuc van » duc van, luc van, vuc van
hieu ve » hieu va, hieu van
sach ky » sach y, sach ty, sach kem
nang ma » tang ma, sang ma, nang cao
ma hoi » mai hoi, xa hoi, ma hoa
sac ky » cac ky, sai ky

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((sach ky) OR (sac ky)) nang ma hoi. hieu ve cham xuc van thanh ((vai cua) or (dai cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((sach ky) OR (sac ky)) nang ma hoi. hieu ve cham xuc van thanh ((vai cua) OR (dai cua)) tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((sach ky) OR (sac ky)) nang ma hoi. hieu ve cham xuc van thanh ((vai cua) or (dai cua)) tre".
• Adding a wildcard symbol may retrieve word variants: hoc ((sach ky) OR (sac ky)) nang ma hoi. hieu ve cham xuc van thanh ((vai cua) or (dai cua)) tre*.