Perhaps you should try some spelling variations:
canh thanh » canh tranh, danh thanh, anh thanh
thanh toan » thanh hoa, thanh san, tinh toan
hieu van » hieu va, thien van, lieu va
xuc canh » luc canh, suc canh, luoc canh
toan cua » than cua, tan cua, doanh cua
cua viet » ca viet, hoa viet, cua vat
so sach » so sanh, bo sach, co sach
vu khac » vu kham, vu khanh, bui khac
ty nang » ky nang, ty xang, ty hang
nang xa » nang x, lang xa, nang ma
van cau » van dau, van hau, van chat
cau xuc » cam xuc, cau luc, cau truc

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((so sach) or (vu khac)) ty nang xa hoi. hieu van cau xuc canh thanh toan cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((so sach) OR (vu khac)) ty nang xa hoi. hieu van cau xuc canh thanh toan cua viet.
• Adding a wildcard symbol may retrieve word variants: ((so sach) or (vu khac)) ty nang xa hoi. hieu van cau xuc canh thanh toan cua viet*.