Perhaps you should try some spelling variations:
thien tinh » khien tinh, thien minh, tien tinh
nhung cong » dung cong, hang cong, nhung don
thong cong » trong cong, tong cong, thong thong
hoc thien » hoc hien, hoc thieu, hoc thiet
hanh manh » hanh mang, hoang manh, thanh minh
lanh manh » lanh tranh, lan anh, van manh
dan than » dan chan, ban than, van than
than cao » toan cao, thai cao, than cap

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 tinh - ((hanh manh) or (lanh manh)) cua ((nhung cong) OR (thong cong)) dan than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thien tinh - ((hanh manh) OR (lanh manh)) cua ((nhung cong) OR (thong cong)) dan than cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thien tinh - ((hanh manh) or (lanh manh)) cua ((nhung cong) OR (thong cong)) dan than cao".
• Adding a wildcard symbol may retrieve word variants: hoc thien tinh - ((hanh manh) or (lanh manh)) cua ((nhung cong) OR (thong cong)) dan than cao*.