Perhaps you should try some spelling variations:
thanh thang » nhanh thang, thanh thanh, thanh hang
nhung cong » dung cong, thong cong, hang cong
thang cua » thong cua, hang cua, than cua
cua nhung » va nhung
hoc dieu » hoc thieu
cong van » cong vang, cong san, song van
van bao » van ban, van dao

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc dieu) OR (hoc hien)) hanh - thanh thang cua nhung cong van bao cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc dieu) OR (hoc hien)) hanh - thanh thang cua nhung cong van bao cao".
• Adding a wildcard symbol may retrieve word variants: ((hoc dieu) OR (hoc hien)) hanh - thanh thang cua nhung cong van bao cao*.