Perhaps you should try some spelling variations:
cac khoi » cac thoi, cac khoan, cach thoi
ve cham » va cham, ve chat, vu cham
thuc va » thuc vat, thuc dan, thuc day
tang xa » trang xa, tang ma, lang xa
hieu ve » hieu va, hieu van
sac kho » suc khoe, dac khoa, cac khoa
va cua » va chua, via cua, ca cua
dan va » doan va, dan ca, ban va
tuc va » truc va, tuc xa, duc va
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: tu ((sac kho) or (cac khoi)) tang xa hoi. hieu ve cham ((tuc va) or (thuc va)) dan va cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sac kho) OR (cac khoi)) tang xa hoi. hieu ve cham ((tuc va) OR (thuc va)) dan va cua te.
• Adding a wildcard symbol may retrieve word variants: tu ((sac kho) or (cac khoi)) tang xa hoi. hieu ve cham ((tuc va) or (thuc va)) dan va cua te*.