Perhaps you should try some spelling variations:
yen lang » den lang, ten lang, yen giang
van hanh » van thanh, ban hanh, van anh
hanh di » hanh vi, hanh de, hang di
thu van » thuc van, thuy van, tu van
cam thu » nam thu, cac thu, ca thu
hieu ve » hieu va, hieu van
te sach » toc sach
cua tre » cua te, cuu tre, cua triet
ve cam » ve cham, ve cac, va cam
_ lang » _ land
o lang » hoa lang, hoi lang
di cua » dai cua, doi cua, de cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ((((yen lang) or (o lang))) or (_ lang)) xa hoi. hieu ve cam thu van hanh di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((((yen lang) OR (o lang))) OR (_ lang)) xa hoi. hieu ve cam thu van hanh di cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach ((((yen lang) or (o lang))) or (_ lang)) xa hoi. hieu ve cam thu van hanh di cua tre*.