Perhaps you should try some spelling variations:
thuat san » thuat toan, thuat song, thuat lanh
thanh hoa » thanh pho
su sach » so sach, vu sach
hoa cua » hoa chat, hoa xuat
cua tre » cua te, cuu tre, cua triet
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma
dac va » duc va, dat va, dai va
ve cac » va cac, vien cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((su sach) or (thuat san)) ky nang xa hoi. hieu ve cac ((dac va) or (day va)) thanh hoa cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (thuat san)) ky nang xa hoi. hieu ve cac ((dac va) OR (day va)) thanh hoa cua tre.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (thuat san)) ky nang xa hoi. hieu ve cac ((dac va) or (day va)) thanh hoa cua tre*.