Perhaps you should try some spelling variations:
thinh nghi » thanh nghi, thich nghi, thanh nghia
sach nang » cach mang, sach dung, sach danh
nhung tac » nhung tap, nhung bac, nhung thach
sach han » sach tham, sach danh, sach dao
nghi cua » nghia cua, nghe cua, ngai cua
tac dong » tac dung, tac trong, ha dong
dong vi » dong voi, dong va, dung vi

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((sach han) or (sach nang)) quoc thinh nghi cua ets : nhung tac dong vi đai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach han) OR (sach nang)) quoc thinh nghi cua ets : nhung tac dong vi đai.
• Adding a wildcard symbol may retrieve word variants: tu ((sach han) or (sach nang)) quoc thinh nghi cua ets : nhung tac dong vi đai*.