Perhaps you should try some spelling variations:
thuat lanh » thuat lap, thuat san
lay vang » tac vang, ly van, tay vung
van hanh » van thanh, ban hanh, van anh
vai cua » dai cua, hai cua, lai cua
va hanh » va thanh, va danh, ban hanh
hieu ve » hieu va, hieu van
ly vang » ly hang, ly van, ly quang
cua tre » cua te, cuu tre, cua triet
ve cau » ke cau, va cau, ve cac
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat lanh ((lay vang) OR (ly vang)) x hoi. hieu ve cau truc ((va hanh) or (van hanh)) vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat lanh ((lay vang) OR (ly vang)) x hoi. hieu ve cau truc ((va hanh) OR (van hanh)) vai cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat lanh ((lay vang) OR (ly vang)) x hoi. hieu ve cau truc ((va hanh) or (van hanh)) vai cua tre*".