Perhaps you should try some spelling variations:
duoc van » duc van, duoc ban, duoc dan
chau tre » chay tren, chau tho, cho tre
tu sach » thu sach, su sach, tu cach
te sach » toc sach
ty nang » ky nang, ty xang, ty hang
hieu ve » hieu va, hieu van
duoc va » nuoc va, duc va, duoc ma
anh lai » anh bai, anh tai, gianh lai
ve muu » ve mua

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) OR (te sach)) ty nang x ho. hieu ve muu ((duoc van) or (duoc va)) anh lai chau tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (te sach)) ty nang x ho. hieu ve muu ((duoc van) OR (duoc va)) anh lai chau tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) OR (te sach)) ty nang x ho. hieu ve muu ((duoc van) or (duoc va)) anh lai chau tre".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) OR (te sach)) ty nang x ho. hieu ve muu ((duoc van) or (duoc va)) anh lai chau tre*.