Perhaps you should try some spelling variations:
thuat san » thuat toan, thuat song, thuat lanh
cham luc » cham soc, nhan luc, cham cuu
van hanh » van thanh, ban hanh, van anh
vai cuu » vai cua
va hanh » va thanh, va danh, ban hanh
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
ly nang » ky nang, ly hang, ly vang
cuu tre » cua tre, cau tren, cau treo
san ly » van ly, ban ly
x hoi » o hoi, x ho, 5 hoi

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 ly nang ((x hoi) or (xa hoi)). hieu ve cham luc ((va hanh) OR (van hanh)) vai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat san ly nang ((x hoi) OR (xa hoi)). hieu ve cham luc ((va hanh) OR (van hanh)) vai cuu tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat san ly nang ((x hoi) or (xa hoi)). hieu ve cham luc ((va hanh) OR (van hanh)) vai cuu tre*".