Perhaps you should try some spelling variations:
thanh ve » hanh ve, thanh va, thanh vien
sach ky » sach y, sach ty, sach kem
luu van » cuu van, luan van, luu hanh
cam luu » tam luu
cuu tre » cua tre, cau tren, cau treo
hieu va » lieu va, hieu qua
nang xa » nang x, lang xa, nang ma
sac ky » cac ky, sai ky
va cam » va cham, va cac, va cao

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) or (sac ky)) nang xa hoi. hieu va cam luu van ((thanh ve) or (hanh vi)) cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach ky) OR (sac ky)) nang xa hoi. hieu va cam luu van ((thanh ve) OR (hanh vi)) cuu tre.
• Adding a wildcard symbol may retrieve word variants: te ((sach ky) or (sac ky)) nang xa hoi. hieu va cam luu van ((thanh ve) or (hanh vi)) cuu tre*.