Perhaps you should try some spelling variations:
cua tre » cua te, cuu tre, cua triet
lang ha » long ha
hieu ve » hieu va, hieu van
hanh de » hanh ve, hanh kem
hanh di » hanh vi, hang di, danh di
bach y » sach y
y lang » o lang, _ lang, tay lang
ve cam » ve cham, ve cac, va cam
ha hoi » hoa hoi, ha noi, xa hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu bach y lang ha hoi. hieu ve cam ((duc va) or (thuc vat)) ((hanh di) or (hanh de)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu bach y lang ha hoi. hieu ve cam ((duc va) OR (thuc vat)) ((hanh di) OR (hanh de)) cua tre.
• Adding a wildcard symbol may retrieve word variants: vu bach y lang ha hoi. hieu ve cam ((duc va) or (thuc vat)) ((hanh di) or (hanh de)) cua tre*.