Perhaps you should try some spelling variations:
tan thanh » tran thanh, tang thanh, toan thanh
thanh vi » hanh vi, thanh va, thanh ve
cham duc » pham duc, cham soc, pham duy
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
cua tre » cuu tre, cua triet, dua tren
tang ma » mang may, tang van
ban ky » van ky
ma hoi » mai hoi, xa hoi, ma hoa
dan ky » van ky
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 ((ban ky) OR (dan ky)) tang ma hoi. hieu ve cham duc tan thanh vi ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((ban ky) OR (dan ky)) tang ma hoi. hieu ve cham duc tan thanh vi ((cua tre) OR (cua te)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((ban ky) OR (dan ky)) tang ma hoi. hieu ve cham duc tan thanh vi ((cua tre) or (cua te))".
• Adding a wildcard symbol may retrieve word variants: tu ((ban ky) OR (dan ky)) tang ma hoi. hieu ve cham duc tan thanh vi ((cua tre) or (cua te))*.