Perhaps you should try some spelling variations:
qua than » qua thanh, qua phan, qua tan
kho tang » cao tang
tang hoa » hang hoa, tang ha, tang ho
thanh vi » thanh va, thanh ve, nhanh vi
qua tham » qua cham, qua thanh, quan pham
soc ban » hoc ban, coc ban, so ban
cua tre » cua te, cuu tre, cua triet
cac kho » cac khoi, cac khoa, cac khu
hoa hoi » khoa hoi, hoa hoc, hoa doi
te cac » tu cac, ve cac, te cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: te cac kho tang hoa hoi. hieu ((qua tham) or (qua than)) soc ban ((thanh vi) OR (hanh vi)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te cac kho tang hoa hoi. hieu ((qua tham) OR (qua than)) soc ban ((thanh vi) OR (hanh vi)) cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te cac kho tang hoa hoi. hieu ((qua tham) or (qua than)) soc ban ((thanh vi) OR (hanh vi)) cua tre*".