Perhaps you should try some spelling variations:
thanh de » hanh de, thanh ve, thanh do
te sach » toc sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
ve cac » va cac, vien cac
ve cam » ve cham, va cam, ve cai
xac va » tac va, ac va, bac va
luc va » duc va, tuc va, loc va
de cua » le cua, te cua, dieu cua
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: te sach ky nang xa hoi. hieu ((ve cam) or (ve cac)) ((xac va) or (luc va)) thanh de cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang xa hoi. hieu ((ve cam) OR (ve cac)) ((xac va) OR (luc va)) thanh de cua te.
• Adding a wildcard symbol may retrieve word variants: te sach ky nang xa hoi. hieu ((ve cam) or (ve cac)) ((xac va) or (luc va)) thanh de cua te*.