Perhaps you should try some spelling variations:
nhung thoi » phung thi, nhung loi, nhung tri
nhung thi » phung thi, nhung tri, nhung chi
quen vang » que van, que lang, quen hanh
hien giam » khien giam, nien giam, thien giap
quan van » luan van, quan va, quan luan
hien cam » hien cac, hien cau, hien tham

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) OR (nhung thi)) ((quen vang) or (quan van)). biet the ((hien cam) or (hien giam)) xuc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((nhung thoi) OR (nhung thi)) ((quen vang) OR (quan van)). biet the ((hien cam) OR (hien giam)) xuc.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((nhung thoi) OR (nhung thi)) ((quen vang) or (quan van)). biet the ((hien cam) or (hien giam)) xuc".
• Adding a wildcard symbol may retrieve word variants: ((nhung thoi) OR (nhung thi)) ((quen vang) or (quan van)). biet the ((hien cam) or (hien giam)) xuc*.