Perhaps you should try some spelling variations:
hang tai » hang va
tu cach » tu cac
su sach » so sach, vu sach
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
cao suc » cao su, cao duc
buu tre » cuu tre
v nang » va nang, vu nang, van nang
ve cao » va cao, ve bao, ve cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu cach) or (su sach)) v nang xa hoi. hieu ve cao suc manh ((hang tai) OR (dung tai)) buu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cach) OR (su sach)) v nang xa hoi. hieu ve cao suc manh ((hang tai) OR (dung tai)) buu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu cach) or (su sach)) v nang xa hoi. hieu ve cao suc manh ((hang tai) OR (dung tai)) buu tre".
• Adding a wildcard symbol may retrieve word variants: ((tu cach) or (su sach)) v nang xa hoi. hieu ve cao suc manh ((hang tai) OR (dung tai)) buu tre*.