Perhaps you should try some spelling variations:
trinh vat » trinh van, trinh luat, sinh vat
va trinh » van trinh, va tinh, lap trinh
ky lang » ky dang, ky tang, tay lang
hieu ve » hieu va, hieu van
cau luc » cau truc, cau phuc
vat cua » mat cua, bat cua, dat cua
cua tre » cua te, cuu tre, cua triet
vu sac » vu sach, vu san, va sac
ve cau » ke cau, va cau, ve cac
luc va » duc va, tuc va, loc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sac ((ky lang) or (ky nang)) xa hoi. hieu ve cau luc va trinh vat cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sac ((ky lang) OR (ky nang)) xa hoi. hieu ve cau luc va trinh vat cua tre.
• Adding a wildcard symbol may retrieve word variants: vu sac ((ky lang) or (ky nang)) xa hoi. hieu ve cau luc va trinh vat cua tre*.