Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
nang van » dang van, tang van, lang van
hang de » hoang de, hanh de, hang di
va hang » van hang, va nang, va lang
cam tuc » cam tu, nam thuc, dam thuc
cua tre » cua te, cuu tre, cua triet
hieu ve » hieu va, hieu van
vu sach » vu bach, su sach, vu khach
de cua » le cua, te cua, dieu cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((thu sach) or (vu sach)) ky nang van hoa. hieu ve ((cam tuc) or (cam xuc)) va hang de cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sach) OR (vu sach)) ky nang van hoa. hieu ve ((cam tuc) OR (cam xuc)) va hang de cua tre.
• Adding a wildcard symbol may retrieve word variants: ((thu sach) or (vu sach)) ky nang van hoa. hieu ve ((cam tuc) or (cam xuc)) va hang de cua tre*.