Perhaps you should try some spelling variations:
lieu tinh » trieu tinh, diep tinh, bien tinh
trinh van » trinh han, trinh quan, trinh toan
trinh va » trinh vat, trinh ve, trinh vi
cong van » cong vang, song van, cong tan
cong san » cong tac
ho lieu » so lieu, co lieu, ho kieu
tan cao » toan cao, tao cao, tay cao

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 va) or (trinh van)) nhung ((cong van) OR (cong san)) tan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho lieu tinh - canh ((trinh va) OR (trinh van)) nhung ((cong van) OR (cong san)) tan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho lieu tinh - canh ((trinh va) or (trinh van)) nhung ((cong van) OR (cong san)) tan cao".
• Adding a wildcard symbol may retrieve word variants: ho lieu tinh - canh ((trinh va) or (trinh van)) nhung ((cong van) OR (cong san)) tan cao*.