Perhaps you should try some spelling variations:
tan thanh » tran thanh, tang thanh, toan thanh
cham duc » pham duc, cham soc, pham duy
thanh va » thanh van, hanh va, thanh ha
ky dang » ky nang, ky danh
dang ma » dang mau, dang mam, dang mat
hieu vu » hieu va, hieu ve, hieu su
vu cham » va cham, vu kham, tu cham
cua tuc » cua duc, cua tu, cua thuoc
tu san » thu san, tu ban, tu can
san ky » sang ky, van ky, dan ky
ma hoi » mai hoi, xa hoi, ma hoa
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 san ky dang ma hoi. hieu vu cham duc tan thanh va ((cua te) or (cua tuc))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu san ky dang ma hoi. hieu vu cham duc tan thanh va ((cua te) OR (cua tuc)).
• Adding a wildcard symbol may retrieve word variants: tu san ky dang ma hoi. hieu vu cham duc tan thanh va ((cua te) or (cua tuc))*.