Perhaps you should try some spelling variations:
hieu vien » hieu hien, hieu viec, thieu nien
dieu cua » dieu tra
tu sach » thu sach, te sach, tu cach
vien da » vien dai, hien dai
nang xa » nang x, lang xa, nang ma
su sach » so sach, vu sach
tuc va » thuc va, truc va, tuc xa
loc va » hoc va, luc va
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: ((tu sach) or (su sach)) ky nang xa hoi. hieu vien da ((tuc va) or (loc va)) dang dieu cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (su sach)) ky nang xa hoi. hieu vien da ((tuc va) OR (loc va)) dang dieu cua te.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (su sach)) ky nang xa hoi. hieu vien da ((tuc va) or (loc va)) dang dieu cua te*.