Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
va thanh » gia thanh, va tinh, le thanh
cac nuoc » cap nuoc, hoc nuoc, dat nuoc
cua viet » ca viet, hoa viet, cua vat
te sach » toc sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
thi van » thi lan, thi hanh, thi nang
cac xuc » cam xuc, chat xuc, cac cuoc
loi cua » loai cua, hoi cua, doi cua

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 ky nang xa hoi. thi van ((cac xuc) or (cac nuoc)) ((va thanh) or (ban thanh)) loi cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang xa hoi. thi van ((cac xuc) OR (cac nuoc)) ((va thanh) OR (ban thanh)) loi cua viet.
• Adding a wildcard symbol may retrieve word variants: te sach ky nang xa hoi. thi van ((cac xuc) or (cac nuoc)) ((va thanh) or (ban thanh)) loi cua viet*.