Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
thuat tach » thuat sach, thuat mach, thuat thanh
quan nhung » qua nhung, luan chung, quang hung
thuat tac » thuat tao, thuat tai, thuat tam
cua nhung » va nhung
cong van » cong vang, cong san, song van
van van » tan van, san van, van vat

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((thuat tach) or (thuat tac)) - hanh trinh ((quan nhung) OR (cua nhung)) cong van van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((thuat tach) OR (thuat tac)) - hanh trinh ((quan nhung) OR (cua nhung)) cong van van ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((thuat tach) or (thuat tac)) - hanh trinh ((quan nhung) OR (cua nhung)) cong van van ban".
• Adding a wildcard symbol may retrieve word variants: ho ((thuat tach) or (thuat tac)) - hanh trinh ((quan nhung) OR (cua nhung)) cong van van ban*.