Perhaps you should try some spelling variations:
thien hach » thien thanh, hien hanh
hanh trung » thanh trung, hanh trang, manh trung
hoc thien » hoc hien, hoc thieu, hoc thiet
phap cong » pham cong, phap phong, phap nang
phan cong » thanh cong
dan toan » van toan, manh toan, xuan toan
dan than » dan chan, ban than, van than

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thien hach - hanh trung ((phap cong) OR (phan cong)) thuong ((dan toan) or (dan than)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thien hach - hanh trung ((phap cong) OR (phan cong)) thuong ((dan toan) OR (dan than)) ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thien hach - hanh trung ((phap cong) OR (phan cong)) thuong ((dan toan) or (dan than)) ban".
• Adding a wildcard symbol may retrieve word variants: hoc thien hach - hanh trung ((phap cong) OR (phan cong)) thuong ((dan toan) or (dan than)) ban*.