Perhaps you should try some spelling variations:
trinh vat » trinh van, trinh luat, sinh vat
dang xay » dang van, van xay
ky dang » ky nang, ky danh
xay hoi » xa hoi, tay hoi, cay phoi
tuc lap » truc lap, tuc tap, tu lap
vat cua » mat cua, bat cua, dat cua
vu sac » vu sach, vu san, va sac
sac ky » cac ky, sai ky
va cam » va cham, va cac, va cao
cua te » cua tu
va co » vo co

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 dang xay hoi. hieu ((va cam) or (va co)) tuc lap trinh vat cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sac ky dang xay hoi. hieu ((va cam) OR (va co)) tuc lap trinh vat cua te.
• Adding a wildcard symbol may retrieve word variants: vu sac ky dang xay hoi. hieu ((va cam) or (va co)) tuc lap trinh vat cua te*.