Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hoc thiet » hoc thieu, hoc thuyet, toc thieu
lanh manh » lanh tranh, lan anh, van manh
cua nhung » va nhung
manh cua » doanh cua, ban cua
cong van » cong vang, cong san, song van
van chat » cao chat
chat bao » chat ban, thuat bao, nhat ban

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

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