Perhaps you should try some spelling variations:
thuat lanh » thuat lap, thuat san
hieu van » hieu va, thien van, lieu va
duc manh » suc manh, duc anh, duc minh
manh anh » minh anh, anh anh, thanh anh
van hoi » van hoa, van hoc, van loi
van hoe » van hoa, van hoc, van hieu
van hao » van dao, van ha, van bao
hao duc » dao duc, ho duc, cao duc
anh vai » anh va, anh bai, anh van
vai cua » dai cua, hai cua, lai cua
cua tre » cua te, cuu tre, cua triet
lanh y » anh y, hanh y, lanh lay
y tang » ky tang, 6 tang, 7 tang

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 y tang ((van hoi) or (van hoe)). hieu van hao duc manh anh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat lanh y tang ((van hoi) OR (van hoe)). hieu van hao duc manh anh vai cua tre.
• Adding a wildcard symbol may retrieve word variants: thuat lanh y tang ((van hoi) or (van hoe)). hieu van hao duc manh anh vai cua tre*.