Perhaps you should try some spelling variations:
dong cua » dung cua, cong cua, huong cua
toc sach » hoc sach, doc sach, thuoc sach
suc gia » duc gia, luc gia, tuc gia
cao suc » cao su, cao duc
hieu ve » hieu va, hieu van
dang xa » dang xay, lang xa, dang ha
ky dang » ky nang, ky danh
ve cao » va cao, ve bao, ve cac
de cua » le cua, te cua, dieu cua

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)) ky dang xa hoi. hieu ve cao suc gia thanh ((dong cua) or (de cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (toc sach)) ky dang xa hoi. hieu ve cao suc gia thanh ((dong cua) OR (de cua)) tre.
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (toc sach)) ky dang xa hoi. hieu ve cao suc gia thanh ((dong cua) or (de cua)) tre*.