Perhaps you should try some spelling variations:
thu nang » thu hang, thu bang, tho nang
thi nang » thi cong, ki nang, thi hanh
tu sach » thu sach, su sach, te sach
hieu ve » hieu va, hieu van
xuc van » duc van, luc van, vuc van
hanh va » hang va, hanh vi
cua tre » cua te, cuu tre, cua triet
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 ((thu nang) OR (thi nang)) x ho. hieu ve cam xuc van ((anh viet) or (hanh va)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((thu nang) OR (thi nang)) x ho. hieu ve cam xuc van ((anh viet) OR (hanh va)) cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((thu nang) OR (thi nang)) x ho. hieu ve cam xuc van ((anh viet) or (hanh va)) cua tre".
• Adding a wildcard symbol may retrieve word variants: tu sach ((thu nang) OR (thi nang)) x ho. hieu ve cam xuc van ((anh viet) or (hanh va)) cua tre*.