Perhaps you should try some spelling variations:
sang thong » mang thong, hang thong, sang trong
doi chieu » doc hieu, doi chi, mot chieu
thong thi » thong thai, trong thi, thong tai
chat lua » chat cua, chat va, chat huu
lua sang » luc sang, bua sang, cua sang
thi van » thi lan, thi hanh, thi nang
van bac » van ban, van bao, van hac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chieu) or (toc thieu)) sang - tinh chat lua sang thong thi van bac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (toc thieu)) sang - tinh chat lua sang thong thi van bac*.