Perhaps you should try some spelling variations:
thanh lap » phan lap, thanh hai, thanh van
te sach » toc sach
cam luc » cam xuc, cau luc
cua tre » cua te, cuu tre, cua triet
hieu ve » hieu va, hieu van
ky tang » ky nang, ky dang, kho tang
ky sang » ky nang, ky dang, duy sang
luc va » duc va, tuc va, loc va
ve cam » ve cham, ve cac, va cam

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 sang) or (ky tang)) xa hoi. hieu ve cam luc va ((thanh lap) OR (thanh san)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((ky sang) OR (ky tang)) xa hoi. hieu ve cam luc va ((thanh lap) OR (thanh san)) cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((ky sang) or (ky tang)) xa hoi. hieu ve cam luc va ((thanh lap) OR (thanh san)) cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach ((ky sang) or (ky tang)) xa hoi. hieu ve cam luc va ((thanh lap) OR (thanh san)) cua tre*.