Perhaps you should try some spelling variations:
thanh tinh » thanh binh, nhanh tinh, than kinh
hanh tinh » hanh trinh, nhanh tinh, canh tinh
te sach » toc sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
ve chat » va chat, van chat
cuu tre » cua tre, cau tren, cau treo
xuc va » duc va, tuc va, luc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ky nang xa hoi. hieu ve chat ((xuc va) or (thuc vat)) ((hanh tinh) OR (thanh tinh)) cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang xa hoi. hieu ve chat ((xuc va) OR (thuc vat)) ((hanh tinh) OR (thanh tinh)) cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky nang xa hoi. hieu ve chat ((xuc va) or (thuc vat)) ((hanh tinh) OR (thanh tinh)) cuu tre".
• Adding a wildcard symbol may retrieve word variants: te sach ky nang xa hoi. hieu ve chat ((xuc va) or (thuc vat)) ((hanh tinh) OR (thanh tinh)) cuu tre*.