Perhaps you should try some spelling variations:
manh hanh » xanh hanh, danh thanh, minh thanh
te sach » toc sach
ty nang » ty xang, ty hang, ly nang
hieu ve » hieu va, hieu van
cam suc » cam xuc, cao suc
hanh va » hang va, hanh vi
cuu tre » cua tre, cau tren, cau treo
va cuu » va cau, va chu, va huu

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