Perhaps you should try some spelling variations:
thuat tach » thuat sach, thuat mach, thuat tac
hanh trinh » canh tranh, hanh chinh
trinh quan » tinh quang, trinh luat, trinh han
nhung cong » thong cong, hang cong, nhung don
dung cong » dung trong
ho thuat » hoc thuat, ho thuan, khoi thuat
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 - hanh trinh quan ((nhung cong) OR (dung cong)) van van ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho thuat tach - hanh trinh quan ((nhung cong) OR (dung cong)) van van ban".
• Adding a wildcard symbol may retrieve word variants: ho thuat tach - hanh trinh quan ((nhung cong) OR (dung cong)) van van ban*.