Perhaps you should try some spelling variations:
nhan tai » hang tai, van tai, toan tai
tu sach » thu sach, su sach, te sach
hanh va » hang va, hanh vi
cam duc » cam xuc, cao duc, pham duc
sach ty » sach y, sach tu, sach thu
hieu ve » hieu va, hieu van
dan hoi » dan hoc, dai hoi, van hoi
ban hoi » ban thoi, ban moi, van hoi
ty lang » tay lang, ty xang, ty hang
cuu tre » cua tre, cau tren, cau treo
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: tu sach ty lang ((ban hoi) OR (dan hoi)). hieu ve cam duc va ((nhan tai) or (hanh va)) cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty lang ((ban hoi) OR (dan hoi)). hieu ve cam duc va ((nhan tai) OR (hanh va)) cuu tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ty lang ((ban hoi) OR (dan hoi)). hieu ve cam duc va ((nhan tai) or (hanh va)) cuu tre*".