Perhaps you should try some spelling variations:
trong quan » thong quan, tong quan, thong quang
lieu tinh » trieu tinh, diep tinh, bien tinh
trinh vat » trinh van, trinh luat, sinh vat
trinh ve » trinh he, trinh va, trinh vi
quan han » quan hanh, quanh han, quan ha
ho lieu » so lieu, co lieu, ho kieu
han tap » han tai, toan tap, nhan tai

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 - hanh ((trinh vat) or (trinh ve)) dung trong quan han tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho lieu tinh - hanh ((trinh vat) OR (trinh ve)) dung trong quan han tap.
• Adding a wildcard symbol may retrieve word variants: ho lieu tinh - hanh ((trinh vat) or (trinh ve)) dung trong quan han tap*.