Perhaps you should try some spelling variations:
hanh trinh » canh tranh
chua nang » chuc nang, chua xang, kha nang
nang cong » nang song, dang cong, bang cong
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang
cong van » cong vang, cong san, song van
toan tap » toan ban
tan tap » han tap, tan tat, man tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chu xanh - ((hanh trinh) or (hanh chinh)) chua nang cong van ((tan tap) OR (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu xanh - ((hanh trinh) OR (hanh chinh)) chua nang cong van ((tan tap) OR (toan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chu xanh - ((hanh trinh) or (hanh chinh)) chua nang cong van ((tan tap) OR (toan tap))".
• Adding a wildcard symbol may retrieve word variants: theo chu xanh - ((hanh trinh) or (hanh chinh)) chua nang cong van ((tan tap) OR (toan tap))*.