Perhaps you should try some spelling variations:
cong luong » cong thuong, nang luong, cong dong
thieu anh » thien anh, chieu xanh, thien danh
trinh van » trinh han, trinh quan, trinh toan
cong lang » cong vang, cong quang, cong ngang
trinh va » trinh vat, trinh ve, trinh vi
than cao » toan cao, thai cao, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc thieu anh - canh ((trinh va) OR (trinh van)) nhung ((cong lang) or (cong luong)) than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu anh - canh ((trinh va) OR (trinh van)) nhung ((cong lang) OR (cong luong)) than cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc thieu anh - canh ((trinh va) OR (trinh van)) nhung ((cong lang) or (cong luong)) than cao".
• Adding a wildcard symbol may retrieve word variants: toc thieu anh - canh ((trinh va) OR (trinh van)) nhung ((cong lang) or (cong luong)) than cao*.