Perhaps you should try some spelling variations:
va thanh » gia thanh, ban thanh, va tinh
su sach » vu sach
so sach » so sanh, bo sach, co sach
ty nang » ky nang, ty xang, ty hang
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
vai cua » hai cua, lai cua, bai cua
ve cap » ve cac, le cap, ve cai
cuu va » cuu van, cuu ve

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 (so sach)) ty nang xa hoi. hieu ve cap cuu va thanh ((vai cua) OR (dai cua)) tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) OR (so sach)) ty nang xa hoi. hieu ve cap cuu va thanh ((vai cua) OR (dai cua)) tre".
• Adding a wildcard symbol may retrieve word variants: ((su sach) OR (so sach)) ty nang xa hoi. hieu ve cap cuu va thanh ((vai cua) OR (dai cua)) tre*.