Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
cua triet » cua viet, su triet, va triet
va thanh » gia thanh, ban thanh, va tinh
so sach » so sanh, bo sach, co sach
tu nang » tru nang, tu nong, tu nano
hieu ve » hieu va, hieu van
cua tre » cua te, cuu tre, dua tren
ve cap » ve cac, le cap, ve cai
cuu va » cuu van, cuu ve
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((so sach) or (do sanh)) tu nang x hoi. hieu ve cap cuu va thanh vai ((cua tre) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((so sach) OR (do sanh)) tu nang x hoi. hieu ve cap cuu va thanh vai ((cua tre) OR (cua triet)).
• Adding a wildcard symbol may retrieve word variants: ((so sach) or (do sanh)) tu nang x hoi. hieu ve cap cuu va thanh vai ((cua tre) or (cua triet))*.