Perhaps you should try some spelling variations:
thanh hang » thanh hoang, thanh thang, tranh hang
tieu danh » dieu danh, tiep danh, thien danh
nang cong » nang song, dang cong, bang cong
manh toan » thanh toan, anh tuan, tinh toan
hoc tieu » hoc thieu, hoc dieu, hoc sieu
hang van » hoang van, hang va, dang van
van nang » van quang, van ban, van dong
dan toan » van toan, dan than, xuan toan

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc tieu danh - thanh hang van nang cong ((dan toan) or (manh toan)) tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc tieu danh - thanh hang van nang cong ((dan toan) OR (manh toan)) tap.
• Adding a wildcard symbol may retrieve word variants: hoc tieu danh - thanh hang van nang cong ((dan toan) or (manh toan)) tap*.