Perhaps you should try some spelling variations:
van triet » va triet, van thiet, van trieu
su sach » so sach, vu sach
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
y nang » ky nang, ly nang, v nang
ve cam » ve cham, ve cac, va cam
luc va » duc va
loc va » hoc va
tuc va » thuc va, truc va, tuc xa
su van » tu van, vu van

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 y nang xa hoi. hieu ve cam ((((luc va) or (loc va))) or (tuc va)) hinh su van triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y nang xa hoi. hieu ve cam ((((luc va) OR (loc va))) OR (tuc va)) hinh su van triet.
• Adding a wildcard symbol may retrieve word variants: su sach y nang xa hoi. hieu ve cam ((((luc va) or (loc va))) or (tuc va)) hinh su van triet*.