Perhaps you should try some spelling variations:
hoc sach » hoc sinh, hoc cac, hoc anh
hanh vai » hanh vi, hanh va, hanh tai
van hanh » van thanh, ban hanh, van anh
dang xay » dang van, van xay
cham xuc » cam xuc, chat xuc, cham soc
ve cham » va cham, ve chat, vu cham
vai cua » dai cua, hai cua, lai cua
xuc van » duc van, luc van, xuc ban
bo sach » co sach
hieu ve » hieu va, hieu van
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: ((bo sach) OR (hoc sach)) ky ((nang x) or (dang xay)) hoi. hieu ve cham xuc van hanh vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((bo sach) OR (hoc sach)) ky ((nang x) OR (dang xay)) hoi. hieu ve cham xuc van hanh vai cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((bo sach) OR (hoc sach)) ky ((nang x) or (dang xay)) hoi. hieu ve cham xuc van hanh vai cua te".
• Adding a wildcard symbol may retrieve word variants: ((bo sach) OR (hoc sach)) ky ((nang x) or (dang xay)) hoi. hieu ve cham xuc van hanh vai cua te*.