Perhaps you should try some spelling variations:
trinh toan » tinh toan, thanh toan, trinh quan
nhung cong » dung cong, thong cong, hang cong
thanh phan » thanh pho, thanh san, thanh toan
lieu tinh » trieu tinh, diep tinh, bien tinh
trinh han » trinh quan
toan phan » toan ban, hoa phan, luan phan
ho lieu » so lieu, co lieu, ho kieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho lieu tinh - canh ((trinh toan) or (trinh han)) nhung cong ((toan phan) or (thanh phan)) tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho lieu tinh - canh ((trinh toan) OR (trinh han)) nhung cong ((toan phan) OR (thanh phan)) tu.
• Adding a wildcard symbol may retrieve word variants: ho lieu tinh - canh ((trinh toan) or (trinh han)) nhung cong ((toan phan) or (thanh phan)) tu*.