Perhaps you should try some spelling variations:
tay quang » tac quang, tai quang, vay quang
tao quang » dao quang, hao quang, lao quang
minh hai » minh khai, tinh hai, minh chau
manh hai » lanh hai, thanh hai, van hai
tu sach » thu sach, su sach, te sach
cuu tre » cua tre, cau tren, cau treo
dao xuc » dao duc, dao tuc, dao xu
hieu va » lieu va, hieu qua
xuc va » duc va, tuc va, luc va
va dao » ca dao

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 ((tay quang) OR (tao quang)) xa hoi. hieu va dao xuc va ((manh hai) or (minh hai)) cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((tay quang) OR (tao quang)) xa hoi. hieu va dao xuc va ((manh hai) OR (minh hai)) cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((tay quang) OR (tao quang)) xa hoi. hieu va dao xuc va ((manh hai) or (minh hai)) cuu tre".
• Adding a wildcard symbol may retrieve word variants: tu sach ((tay quang) OR (tao quang)) xa hoi. hieu va dao xuc va ((manh hai) or (minh hai)) cuu tre*.