Perhaps you should try some spelling variations:
thien van » thi van
ly quang » vu quang
cac nuoc » cap nuoc, hoc nuoc, dat nuoc
le quang » vu quang
va hanh » van hanh, va thanh, va danh
cac luc » cau luc, coc luc, cac cuoc
so sach » so sanh, bo sach, co sach
cuu tre » cua tre, cau tren, cau treo
vi cuu » vi luu, vinh cuu

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach ((ly quang) or (le quang)) x ho. thien van ((cac luc) or (cac nuoc)) va hanh vi cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ((ly quang) OR (le quang)) x ho. thien van ((cac luc) OR (cac nuoc)) va hanh vi cuu tre.
• Adding a wildcard symbol may retrieve word variants: so sach ((ly quang) or (le quang)) x ho. thien van ((cac luc) or (cac nuoc)) va hanh vi cuu tre*.