Perhaps you should try some spelling variations:
cau triet » cau trieu, su triet, cua triet
cau theo » cau thi, cau tao
coc thuc » hoc thuc, doc thuc, co thuc
thanh va » thanh van, hanh va, thanh ha
thanh vi » hanh vi, thanh ve, nhanh vi
hieu ve » hieu va, hieu van
thuc va » thuc vat, thuc dan, thuc day
te sach » toc sach
ve coc » ve cuoc, ve cac, ve co
sach v » sach va, sach y, sach 2
v nang » va nang, vu nang, van nang
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: te sach v nang x hoi. hieu ve coc thuc va ((thanh vi) OR (thanh va)) ((cau triet) or (cau theo))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach v nang x hoi. hieu ve coc thuc va ((thanh vi) OR (thanh va)) ((cau triet) OR (cau theo)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach v nang x hoi. hieu ve coc thuc va ((thanh vi) OR (thanh va)) ((cau triet) or (cau theo))".
• Adding a wildcard symbol may retrieve word variants: te sach v nang x hoi. hieu ve coc thuc va ((thanh vi) OR (thanh va)) ((cau triet) or (cau theo))*.