Perhaps you should try some spelling variations:
tan thanh » tran thanh, tang thanh, toan thanh
cua tre » cua te, cuu tre, cua triet
san cua » sang cua, ban cua, dan cua
ve cham » va cham, ve chat, vu cham
ky tang » ky nang, ky dang, kho tang
sac ky » cac ky, sai ky
ve cam » ve cac, va cam, ve cai
ma hoi » mai hoi, ma hoa, me hoi
su sac » su sach, su cac, su xac

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sac ky tang ((ma hoi) OR (xa hoi)). hieu ((ve cam) or (ve cham)) duc tan thanh san cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky tang ((ma hoi) OR (xa hoi)). hieu ((ve cam) OR (ve cham)) duc tan thanh san cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sac ky tang ((ma hoi) OR (xa hoi)). hieu ((ve cam) or (ve cham)) duc tan thanh san cua tre".
• Adding a wildcard symbol may retrieve word variants: su sac ky tang ((ma hoi) OR (xa hoi)). hieu ((ve cam) or (ve cham)) duc tan thanh san cua tre*.