Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
thuat tach » thuat sach, thuat mach, thuat thanh
trinh quan » tinh quang, trinh luat, trinh han
quan thong » quang thong, quan trong, xuan thong
thong cong » trong cong, tong cong, thong thong
thuat tac » thuat tao, thuat tai, thuat tam
van van » van ban, tan van, san van
van vat » van chat, nhan 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 thong cong ((van van) or (van vat)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((thuat tach) OR (thuat tac)) - hanh trinh quan thong cong ((van van) OR (van vat)) ban.
• Adding a wildcard symbol may retrieve word variants: ho ((thuat tach) or (thuat tac)) - hanh trinh quan thong cong ((van van) or (van vat)) ban*.