Perhaps you should try some spelling variations:
nhung thoi » nhung thi, phung thi, nhung loi
dang quoc » dang thuoc, han quoc
gian lang » gian dan
dung duoc » dong duoc, cung duoc, dung quoc
thoi que » thoi quen, thon que, thong que
que lang » quet lang, quan lang, que quang
hoc dang » hoc dan, hoc dung, hoc bang
quoc cao » quoc bao, quoc cac, quoc cho
noi dung » hoc dung
duoc hoc » quoc hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( nhung thoi que lang. hoc dang quoc cao ) or ( nhung thoi gian lang. noi dung duoc hoc ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( nhung thoi que lang. hoc dang quoc cao ) OR ( nhung thoi gian lang. noi dung duoc hoc )).
• Adding a wildcard symbol may retrieve word variants: (( nhung thoi que lang. hoc dang quoc cao ) or ( nhung thoi gian lang. noi dung duoc hoc ))*.