Perhaps you should try some spelling variations:
kho tang » cao tang
sac kho » suc khoe, cac khoi, dac khoa
tang ma » mang may, tang van
ve cham » va cham, vu cham, ve chim
ve chat » va chat, van chat
truc va » thuc va, thuc vat, trung va
va doan » va doanh, van doan, va dan
doan li » doan vi, dan li, doan thi
so sac » so sach, so dac
ma hoi » mai hoi, xa hoi, ma hoa
hien » bien, vien, tien

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sac kho tang ma hoi. hieu ((ve cham) OR (ve chat)) truc va doan li hoc hien~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sac kho tang ma hoi. hieu ((ve cham) OR (ve chat)) truc va doan li hoc hien".
• Adding a wildcard symbol may retrieve word variants: so sac kho tang ma hoi. hieu ((ve cham) OR (ve chat)) truc va doan li hoc hien*.