Perhaps you should try some spelling variations:
dan khanh » dang khanh, van khanh, dat khanh
khanh ve » hanh ve, thanh ve, khanh v
dang xay » dang van, van xay
thuc dan » thuc hanh, hoc dan, thuc vat
xay hoi » xa hoi, tay hoi, cay phoi
ve cua » le cua, de cua, te cua
cua te » cua tu
va chu » va che, va cau, va chi
sach o » sach lo, sac o, mach o
va huu » vu huu

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((sach o) or (sach y)) dang xay hoi. hieu ((va huu) or (va chu)) thuc dan khanh ve cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach o) OR (sach y)) dang xay hoi. hieu ((va huu) OR (va chu)) thuc dan khanh ve cua te.
• Adding a wildcard symbol may retrieve word variants: tu ((sach o) or (sach y)) dang xay hoi. hieu ((va huu) or (va chu)) thuc dan khanh ve cua te*.