Perhaps you should try some spelling variations:
thuc van » thuc vat, thuc dan, thuc hanh
su sach » so sach
vu sach » vu bach, vu khach
nang xa » nang x, lang xa, nang ma
lieu ha » lieu nha, lieu va, liem ha
thuc va » thuc vat, thuc dan, thuc day
su viet » so viet
y nang » ky nang, ly nang, v nang

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 (vu sach)) y nang xa hoi. lieu ha nam ((thuc van) or (thuc va)) hang va su viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (vu sach)) y nang xa hoi. lieu ha nam ((thuc van) OR (thuc va)) hang va su viet.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (vu sach)) y nang xa hoi. lieu ha nam ((thuc van) or (thuc va)) hang va su viet*.