Perhaps you should try some spelling variations:
thuat san » thuat toan, thuat song, thuat lanh
cac nuoc » cap nuoc, hoc nuoc, dat nuoc
dong tri » dong tai, dung tri, dong thi
mai hoi » mai khoi, dai hoi, lai hoi
hieu va » hieu qua
va dong » van dong, ha dong, xa dong
san ky » sang ky, van ky, dan ky
ma hoi » xa hoi, ma hoa, me hoi
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: thuat san ky nang ((ma hoi) or (mai hoi)). ((hieu va) or (lieu va)) cac nuoc va dong tri cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat san ky nang ((ma hoi) OR (mai hoi)). ((hieu va) OR (lieu va)) cac nuoc va dong tri cua te.
• Adding a wildcard symbol may retrieve word variants: thuat san ky nang ((ma hoi) or (mai hoi)). ((hieu va) or (lieu va)) cac nuoc va dong tri cua te*.