Perhaps you should try some spelling variations:
manh hanh » xanh hanh, danh thanh, minh thanh
cau tren » cu tren, dau tren, ca tren
hanh tai » thanh tai, hang tai, han tai
cuu tre » cua tre, cau treo
tu sach » thu sach, su sach, te sach
va cham » va chat, va tham
nang xa » nang x, lang xa, nang ma
ve chat » va chat, van chat
y nang » ky nang, ly nang, v nang

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 y nang xa hoi. hieu ((va cham) or (ve chat)) suc manh hanh tai ((cuu tre) OR (cau tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y nang xa hoi. hieu ((va cham) OR (ve chat)) suc manh hanh tai ((cuu tre) OR (cau tren)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach y nang xa hoi. hieu ((va cham) or (ve chat)) suc manh hanh tai ((cuu tre) OR (cau tren))".
• Adding a wildcard symbol may retrieve word variants: tu sach y nang xa hoi. hieu ((va cham) or (ve chat)) suc manh hanh tai ((cuu tre) OR (cau tren))*.