Perhaps you should try some spelling variations:
lang van » dang van, tang van, hoang van
te sach » toc sach
sach ky » sac ky, sach y, sach ty
qua cam » qua cham, qua cac, qua ca
xuc may » xuc hay, truc may, phuc may
tinh te » kinh te, tinh tu, tinh he
cua tre » cua te, cuu tre, cua triet
te cua » tue cua, le 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 ky ((lang van) or (nang x)) hoi. hieu qua cam xuc may tinh te cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky ((lang van) OR (nang x)) hoi. hieu qua cam xuc may tinh te cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach ky ((lang van) or (nang x)) hoi. hieu qua cam xuc may tinh te cua tre*.