Perhaps you should try some spelling variations:
thuat lanh » thuat lap, thuat san
thuc dan » thuc hanh, hoc dan, thuc vat
hanh dai » hanh tai, hanh dao, vanh dai
dang ha » dong ha, dung ha, lang ha
hieu ve » hieu va, hieu van
thuc va » thuc vat, thuc day
cua tre » cua te, cuu tre, cua triet
lanh y » anh y, hanh y, lanh lay
y dang » ky dang, 2 dang, _ dang
ha hoi » hoa hoi, ha noi, xa hoi
ve cau » ke cau, va cau, ve cac

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 dang ha hoi. hieu ve cau ((thuc va) or (thuc dan)) hanh dai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat lanh y dang ha hoi. hieu ve cau ((thuc va) OR (thuc dan)) hanh dai cua tre.
• Adding a wildcard symbol may retrieve word variants: thuat lanh y dang ha hoi. hieu ve cau ((thuc va) or (thuc dan)) hanh dai cua tre*.