Perhaps you should try some spelling variations:
dang xay » dang van, van xay
dan hanh » dang hanh, dan khanh, dan thanh
thuc dan » thuc hanh, hoc dan, thuc vat
hanh ve » hanh vi, hanh va, hanh kem
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 cuu » va cau, va 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 cuu) OR (va chu)) thuc dan hanh 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 cuu) OR (va chu)) thuc dan hanh ve cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach o) or (sach y)) dang xay hoi. hieu ((va cuu) OR (va chu)) thuc dan hanh ve cua te".
• Adding a wildcard symbol may retrieve word variants: tu ((sach o) or (sach y)) dang xay hoi. hieu ((va cuu) OR (va chu)) thuc dan hanh ve cua te*.