Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
tinh long » dinh long, tinh lang, vinh long
long qua » long quan, long cua, song qua
qua dung » quang dung, su dung, qua song
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu xanh - tinh long qua dung ((cong dan) OR (cong san)) toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - tinh long qua dung ((cong dan) OR (cong san)) toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - tinh long qua dung ((cong dan) OR (cong san)) toan ban*.