Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
cua nhung » va nhung
cong vang » cong lang, cong quang, cong ngang
khang cau » hang cau, khang cu, khang chan
anh tang » anh bang, anh nang, anh sang
anh dang » anh dong, anh dung, anh bang
cong van » cong san, song van, cong tan

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 xanh - ((anh tang) or (anh dang)) cua nhung ((cong van) OR (cong vang)) khang cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu xanh - ((anh tang) OR (anh dang)) cua nhung ((cong van) OR (cong vang)) khang cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc thieu xanh - ((anh tang) or (anh dang)) cua nhung ((cong van) OR (cong vang)) khang cau*".