Perhaps you should try some spelling variations:
tran linh » tran dinh, tran minh, tran vinh
linh hoi » binh hoi, linh ho, linh hon
lang van » dang van, tang van, hoang van
cac nuoc » cap nuoc, dat nuoc, cua nuoc
tu sach » thu sach, su sach, te sach
hoi cua » hoi chuc
sach ty » sach y, sach tu, sach thu
nang xa » nang x, lang xa, nang ma
cua tre » cua te, cuu tre, cua triet

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ty ((nang xa) or (lang van)) hoi. hieu qua ((cac nuoc) or (hoc nuoc)) tran linh hoi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty ((nang xa) OR (lang van)) hoi. hieu qua ((cac nuoc) OR (hoc nuoc)) tran linh hoi cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ty ((nang xa) or (lang van)) hoi. hieu qua ((cac nuoc) or (hoc nuoc)) tran linh hoi cua tre*.