Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
chua xang » chuc nang, chu bang, chua dong
chua nang » chuc nang, kha nang, cuu nang
hanh tang » hanh trang, anh tang, hanh mang
bang cong » dang cong, bang song, hang cong
cong van » cong vang, cong san, song van
van tuan » van quan, van ban, anh tuan
tuan tap » toan tap, tuan tai, tuyen tap
tang va » trang va, tang van, thang va
va bang » va nang, va lang, va ban

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

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