Perhaps you should try some spelling variations:
tang van » dang van, hoang van, trong van
thuc dan » thuc hanh, hoc dan, thuc vat
dang de » dang deo, dung de, dang do
ky tang » ky nang, ky dang, kho tang
van hoi » van hoa, van hoc, van hoe
hieu ve » hieu va, hieu van
thuc va » thuc vat, thuc day
vu sai » vu hai, vu san, vu tai
de cua » le cua, te cua, dieu cua
ve nam » he nam, va nam, le nam
vu dai » vi dai, va dai, vu hai
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((vu sai) or (vu dai)) ky tang van hoi. hieu ve nam ((thuc va) or (thuc dan)) dang de cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((vu sai) OR (vu dai)) ky tang van hoi. hieu ve nam ((thuc va) OR (thuc dan)) dang de cua te.
• Adding a wildcard symbol may retrieve word variants: ((vu sai) or (vu dai)) ky tang van hoi. hieu ve nam ((thuc va) or (thuc dan)) dang de cua te*.