Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
nhieu tang » chieu sang, hieu lang, nhiet nang
dung cong » dung trong
cong tang » cong thang, cong tan, cong lang
anh hung » anh huong, manh hung, anh dung
hung cap » cung cap, hung ca, trung cap
cap dung » ap dung, cao dung, chan dung
tan ban » toan ban, tang ban, can ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chieu sach) or (nhieu tang)) - anh hung cap dung cong tang ((tan ban) or (van ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (nhieu tang)) - anh hung cap dung cong tang ((tan ban) OR (van ban)).
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (nhieu tang)) - anh hung cap dung cong tang ((tan ban) or (van ban))*.