Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
va triet » va thiet, va trien, ve triet
cham tuc » nham thuc, pham thuc, tham thuc
hieu ve » hieu va, hieu van
xa hanh » xa thanh, xa khanh, va hanh
ve cham » va cham, ve chat, vu cham
su cach » tu cach, su cac, cuu cach
tu nano » truc nano
su sach » so sach, vu sach
nano 1 » nano o
1 ha » y ha, _ ha, o ha

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((su cach) or (su sach)) tu nano 1 ha. hieu ve cham tuc xa hanh vi ((va triet) or (cua viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su cach) OR (su sach)) tu nano 1 ha. hieu ve cham tuc xa hanh vi ((va triet) OR (cua viet)).
• Adding a wildcard symbol may retrieve word variants: ((su cach) or (su sach)) tu nano 1 ha. hieu ve cham tuc xa hanh vi ((va triet) or (cua viet))*.