Perhaps you should try some spelling variations:
gian lang » gian dan
phung tri » nhung tri, phong tri, phuong troi
quan lang » quan hoang, quan luan, quan van
doi tuong » moi truong
thi gian » thoi gian, thi giang, toi gian
song hoc » dong hoc, song ho, song hong
tri quan » trinh quan, hai quan, mai quan
tuong ho » tong hop
hoc noi » hoc nuoc
ho mot » hoc mot, cho mot, hoa mot

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( phung thi gian lang. doi song hoc noi ) or ( phung tri quan lang. doi tuong ho mot ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( phung thi gian lang. doi song hoc noi ) OR ( phung tri quan lang. doi tuong ho mot )).
• Adding a wildcard symbol may retrieve word variants: (( phung thi gian lang. doi song hoc noi ) or ( phung tri quan lang. doi tuong ho mot ))*.