Perhaps you should try some spelling variations:
thieu bien » thieu nien, tieu bieu, hien bien
cua triet » su triet, va triet
cua viet » ca viet, hoa viet, cua vat
nang xa » nang x, lang xa, nang ma
sach ky » sac ky, sach ty, sach kem
va hanh » van hanh, va thanh, va danh
hanh va » hang va, hanh vi
bien va » dien va, tien va, vien va
va xuc » va xac, va xu
xuc va » duc va, tuc va, luc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((sach ky) or (sach y)) nang xa hoi. thieu bien va xuc va hanh va ((cua triet) or (cua viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((sach ky) OR (sach y)) nang xa hoi. thieu bien va xuc va hanh va ((cua triet) OR (cua viet)).
• Adding a wildcard symbol may retrieve word variants: toc ((sach ky) or (sach y)) nang xa hoi. thieu bien va xuc va hanh va ((cua triet) or (cua viet))*.