Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
thanh vi » hanh vi, thanh va, thanh ve
toc sach » hoc sach, doc sach, thuoc sach
xuc van » duc van, luc van, vuc van
cac xuc » cam xuc, cac nuoc, chat xuc
hieu ve » hieu va, hieu van
nang ma » tang ma, sang ma, nang cao
ty nang » ky nang, ty xang, ty hang
cua tuc » cua duc, cua thuoc, luat tuc
ma hoi » mai hoi, xa hoi, ma hoa
ve cac » va cac, vien cac
cua tu » cua su, cua cu, cua te

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

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