Perhaps you should try some spelling variations:
hieu van » thien van, lieu va, hieu ve
van hanh » van thanh, ban hanh, van anh
cau tren » cu tren, dau tren, ca tren
te sach » toc sach
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
xuc van » duc van, luc van, vuc van
hanh di » hanh vi, hanh de, hang di
y nang » ky nang, ly nang, v nang
cua te » cua tu

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 y nang xa hoi. ((hieu van) OR (hieu va)) cam xuc van hanh di ((cua te) or (cau tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang xa hoi. ((hieu van) OR (hieu va)) cam xuc van hanh di ((cua te) OR (cau tren)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y nang xa hoi. ((hieu van) OR (hieu va)) cam xuc van hanh di ((cua te) or (cau tren))".
• Adding a wildcard symbol may retrieve word variants: te sach y nang xa hoi. ((hieu van) OR (hieu va)) cam xuc van hanh di ((cua te) or (cau tren))*.