Perhaps you should try some spelling variations:
khien bang » phien ban, khien dong
hanh trong » hanh trang, anh trong, hinh trong
hien sang » hien trang, chieu sang, thien bang
trong van » trong cac
dung cong » dung trong
nhanh bac » nhanh ha, nhanh va
thanh tai » thanh hai, thanh toan, doanh tai
van dung » van dong, xay dung, tin dung
cong san » cong tac

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hien sang) OR (khien bang)) - hanh trong van dung cong san ((nhanh bac) or (thanh tai))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien sang) OR (khien bang)) - hanh trong van dung cong san ((nhanh bac) OR (thanh tai)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien sang) OR (khien bang)) - hanh trong van dung cong san ((nhanh bac) or (thanh tai))".
• Adding a wildcard symbol may retrieve word variants: hoc ((hien sang) OR (khien bang)) - hanh trong van dung cong san ((nhanh bac) or (thanh tai))*.