Perhaps you should try some spelling variations:
thiet danh » thien danh, thien anh, thien dang
hoc thiet » hoc thieu, hoc thuyet, hoc hien
cua nhung » va nhung
chong van » hong van, phong van, chong va
thong van » trong van, thong va, thong quan
hanh ban » thanh ban, hang ban, hanh han
hanh san » thanh san, khach san, thanh son
tai ban » tai san, tai ngan, tai benh

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 danh - ((hanh ban) or (hanh san)) cua nhung ((chong van) OR (thong van)) tai ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thiet danh - ((hanh ban) OR (hanh san)) cua nhung ((chong van) OR (thong van)) tai ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thiet danh - ((hanh ban) or (hanh san)) cua nhung ((chong van) OR (thong van)) tai ban".
• Adding a wildcard symbol may retrieve word variants: hoc thiet danh - ((hanh ban) or (hanh san)) cua nhung ((chong van) OR (thong van)) tai ban*.