Perhaps you should try some spelling variations:
cua tre » cua te, cuu tre, cua triet
hanh di » hanh vi, hanh de, hang di
hieu ve » hieu va, hieu van
lang xa » dang xay, lang van
lang ha » long ha
ve cam » ve cham, ve cac, va cam
di cua » dai cua, doi cua, de cua
bach y » sach y

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