Perhaps you should try some spelling variations:
nhung nhanh » nhung thanh, nhung hanh, vung nhanh
nhung thong » chung thong, nhung chong, nhung phong
hoc trung » hoc truong, hoc trong, hoc thuong
trung hoc » trung quoc
thuoc mot » huoc mot, thuoc moi, thuoc ma
quang ma » xquang ma, quang va, quang manh
hoc dung » hoc ung, hoc dan, tac dung
hoc moi » hoc noi
ke va » te va

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( nhung thong ke va. hoc trung hoc moi ) or ( nhung nhanh quang ma. hoc dung thuoc mot ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( nhung thong ke va. hoc trung hoc moi ) OR ( nhung nhanh quang ma. hoc dung thuoc mot )).
• Adding a wildcard symbol may retrieve word variants: (( nhung thong ke va. hoc trung hoc moi ) or ( nhung nhanh quang ma. hoc dung thuoc mot ))*.