Perhaps you should try some spelling variations:
thien cac » thien cau, thieu cac, trien cac
hien cac » vien cac, hieu cac, dien cac
va danh » va dinh, va dan, va hanh
sach ty » sach tu, sach thu, xach tay
nang xa » nang x, lang xa, nang ma
xuc va » duc va, tuc va, luc va
cho ca » cho cac, cho can, cho cay
ca tre » ca tren, cua tre, ca tru

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) or (sach y)) nang xa hoi. hieu ((hien cac) OR (thien cac)) xuc va danh cho ca tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ty) OR (sach y)) nang xa hoi. hieu ((hien cac) OR (thien cac)) xuc va danh cho ca tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ty) or (sach y)) nang xa hoi. hieu ((hien cac) OR (thien cac)) xuc va danh cho ca tre".
• Adding a wildcard symbol may retrieve word variants: tu ((sach ty) or (sach y)) nang xa hoi. hieu ((hien cac) OR (thien cac)) xuc va danh cho ca tre*.