Perhaps you should try some spelling variations:
nang xa » nang x, lang xa, nang ma
van cam » van lam, van cau, van dam
cuu tre » cua tre, cau tren, cau treo
sach v » sach va, sach 2, sach vay
ca dan » cac dan, ca dao
dan vi » doan vi, don vi, dan va
vi cuu » vi luu, vinh cuu
tu ca » tu cac, tu cua, tu can

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((sach v) OR (sach y)) nang xa hoi. thien ((van cam) or (van nam)) tu ca dan vi cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((sach v) OR (sach y)) nang xa hoi. thien ((van cam) OR (van nam)) tu ca dan vi cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc ((sach v) OR (sach y)) nang xa hoi. thien ((van cam) or (van nam)) tu ca dan vi cuu tre".
• Adding a wildcard symbol may retrieve word variants: toc ((sach v) OR (sach y)) nang xa hoi. thien ((van cam) or (van nam)) tu ca dan vi cuu tre*.