Perhaps you should try some spelling variations:
chat tuc » chat xuc, luat tuc, chat huu
va doanh » van doanh, vay doanh, va danh
te sach » toc sach
hieu ve » hieu va, hieu van
ve chat » va chat, van chat
van cuu » van chu, van cu, van cua
van cau » van dau, van hau, van chat
y nang » ly nang, v nang, may nang
tuc va » thuc va, truc va, tuc xa

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