Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
vat hanh » vat thanh, van hanh, va hanh
phap hoc » phap hoan, phap mo, phap han
van phap » ban phap, va phap, van phan
hieu van » hieu va, thien van, lieu va
hoc vat » hoc va, hoc viet, thuc vat
so sanh » do sanh
v nang » va nang, vu nang, van nang
y nang » ky nang, ly nang, may nang
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((so sanh) or (cho sinh)) ((y nang) or (v nang)) xa hoi. hieu van phap hoc vat hanh vi cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((so sanh) OR (cho sinh)) ((y nang) OR (v nang)) xa hoi. hieu van phap hoc vat hanh vi cua viet.
• Adding a wildcard symbol may retrieve word variants: ((so sanh) or (cho sinh)) ((y nang) or (v nang)) xa hoi. hieu van phap hoc vat hanh vi cua viet*.