Perhaps you should try some spelling variations:
thien danh » thien anh, thien dang, thien thanh
nhung cong » dung cong, thong cong, hang cong
hoc thien » hoc hien, hoc thieu, hoc thiet
bang cong » dang cong, bang song, hang cong
manh toan » thanh toan, anh tuan, tinh toan
trung va » truong va, trang va, trung ha
toan cao » toan ban, toan tap

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 danh - thanh ((trung va) or (dung va)) ((nhung cong) or (bang cong)) manh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thien danh - thanh ((trung va) OR (dung va)) ((nhung cong) OR (bang cong)) manh toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc thien danh - thanh ((trung va) or (dung va)) ((nhung cong) or (bang cong)) manh toan cao*.